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In the registryIssued December 7, 2025GCR-2025-1F648D

The registry ID is GCR, the year the color was named, and its hex.

Traditional Blue certificate

Traditional Blue

Registry ID

GCR-2025-1F648D

Issued December 7, 2025

Color data

HEX #1F648D

RGB 31 / 100 / 141

HSL 202° / 64% / 34%

CMYK 78 / 29 / 0 / 45

opencolors.org/certificate/1F648D

Using this color

Aa

White text

6.43:1 · AA

Aa

Black text

3.27:1 · Fail

Suggested pairings

Complement#8E481F
Analogous +30°#1F2E8E
Analogous −30°#1F8E7F

Copy for a project

CSS

--traditional-blue: #1F648D;

Tailwind

bg-[#1F648D]

Token

{
  "traditional-blue": {
    "value": "#1F648D"
  }
}