BS 381C 633 RAF Blue-Grey
#5A6B7A  ·  hsl(208.12, 15.09%, 41.57%)
Tints & Shades
#171B1E
#242B31
#323B43
#3F4B55
#4D5B68
#5A6B7A
#6D8293
#8798A6
#A1AEB9
#BAC4CC
#D4DADF
Color Values
Hex #5A6B7A
RGB 90, 107, 122
HSL hsl(208.12, 15.09%, 41.57%)
CMYK 26%, 12%, 0%, 52%
CSS Variable
--color-bs-381c-633-raf-blue-grey: #5A6B7A;
Contrast Checker
On White
Zarighar
Bridal & formal wear
5.5:1 ratio
AA Normal ✅ AA Large ✅ AAA ❌
On Black
Zarighar
Bridal & formal wear
3.82:1 ratio
AA Normal ❌ AA Large ✅ AAA ❌
About this color

BS 381C 633 RAF Blue-Grey — BS 381C 633 RAF Blue-Grey is an official colour from the British Standard BS 381C, used for identification, coding and special purposes in the UK. It belongs to the Blue family: a medium-toned, muted tone with hex code #5A6B7A and RGB values of 90, 107, 122. Its dominant channel values give it a cool undertone typical of the BS 381C system. RAF Blue-Grey is employed in industrial, military, transport and architectural applications. It pairs well with other BS 381C tones and neutral greys. Nearest neighbors: related BS 381C colours in the same hue group.

✨ Zarighar Bridal & Textile Studio Exclusive Feature

Preview how BS 381C 633 RAF Blue-Grey looks across luxury bridal fabrics, metallic embellishments, and South Asian wedding venue lighting — combined in one view.

Pure Katan / Banarsi Silk  +  ☀️ Daylight
✨ Multi-Piece Styling

Pair BS 381C 633 RAF Blue-Grey as the primary bridal piece with culturally harmonized Dupatta, Groom Sherwani, and Turban accents:

Open Ensemble in Live Visualizer →
🧵 Atelier 3D Physics · دھوپ چھاؤں

Tactile Fabric Physics & Complexion Harmony

Simulate how BS 381C 633 RAF Blue-Grey reflects and moves on pure South Asian luxury silks, sweep the spotlight angle, and evaluate resonance against skin undertones.

✨ Weave in Dhoop Chhaon Compare →
High-luster directional sheen with fluid drape and luminous specular highlights.
✨ Zari Wirework:
🌊 3D Drape Folds:
Depth:
🪞 Rang & Roop · رنگ و روپ

Complexion Resonance

Test how BS 381C 633 RAF Blue-Grey harmonizes with South Asian skin undertones under venue lighting.

96 / 100
Imperial Royal Contrast
Skin Complexion
Draped Fabric

💎 Heirloom Jewelry:
✨ Zari & Trims:
✨ Bespoke Atelier Service

Bring BS 381C 633 RAF Blue-Grey to Life in Haute Couture

Enamored by this exact hue? Our master dyers and artisans at Zarighar can formulate custom-dyed pure silks, raw fabrics, velvets, and hand-embroidery in BS 381C 633 RAF Blue-Grey (#5A6B7A) for your bridal trousseau or bespoke occasion wear.

Atelier WhatsApp +1 (716) 222-2691
💬

Direct WhatsApp Consultation

Connect directly with Zarighar's bridal colorists to discuss custom fabric dyeing, silhouette pairings, and embellishment matching.

Chat on WhatsApp
📦

Physical Fabric Swatch Sample

Request a physical swatched sample card dyed in BS 381C 633 RAF Blue-Grey in Pure Katan Silk, Raw Silk, or Velvet dispatched to your door.

📜

Atelier Fabric Spec Sheet

Generate an official archival A4 PDF specification sheet with fabric metrics, Zari finish, and scannable QR code.

🕌

Occasion Harmony: Baraat & Nikkah

Imperial bridal lehenga & groom sherwani couture, deep surkh crimson, and 24k royal zardozi.

Explore in Wedding Planner
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