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In the registryIssued December 7, 2025GCR-2025-030AA7

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

Cobalt certificate

Cobalt

Registry ID

GCR-2025-030AA7

Issued December 7, 2025

Color data

HEX #030AA7

RGB 3 / 10 / 167

HSL 237° / 96% / 33%

CMYK 98 / 94 / 0 / 35

opencolors.org/certificate/030AA7

Using this color

Aa

White text

13.08:1 · AAA

Aa

Black text

1.61:1 · Fail

Suggested pairings

Complement#A59D03
Analogous +30°#4C03A5
Analogous −30°#035CA5

Copy for a project

CSS

--cobalt: #030AA7;

Tailwind

bg-[#030AA7]

Token

{
  "cobalt": {
    "value": "#030AA7"
  }
}