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In the registryIssued December 7, 2025GCR-2025-5D1F1E

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

Red Oxide certificate

Red Oxide

Registry ID

GCR-2025-5D1F1E

Issued December 7, 2025

Color data

HEX #5D1F1E

RGB 93 / 31 / 30

HSL 1° / 51% / 24%

CMYK 0 / 67 / 68 / 64

opencolors.org/certificate/5D1F1E

Using this color

Aa

White text

12.50:1 · AAA

Aa

Black text

1.68:1 · Fail

Suggested pairings

Complement#1E5B5C
Analogous +30°#5C3E1E
Analogous −30°#5C1E3C

Copy for a project

CSS

--red-oxide: #5D1F1E;

Tailwind

bg-[#5D1F1E]

Token

{
  "red-oxide": {
    "value": "#5D1F1E"
  }
}