#25100D#25100D

#25100D is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.3% C 0.036 H 29.2°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#25100D
RGB	rgb(37, 16, 13)
HSL	hsl(8, 48%, 10%)
HSV	hsv(8, 65%, 15%)
CMYK	cmyk(0%, 56.8%, 64.9%, 85.5%)
CIE-LAB	lab(7.16, 10.48, 5.49)
CIE-LCH	lch(7.16, 11.83, 27.64°)
OKLab	oklab(20.35% 0.0316 0.0176)
OKLCH	oklch(20.35% 0.036 29.2)
XYZ	xyz(1.0210, 0.7931, 0.4800)
Luminance	0.0079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25100D #0D2225

analogous

#250D16 #25100D #251C0D

triadic

#25100D #0D2510 #100D25

tetradic

#25100D #16250D #0D2225 #1C0D25

square

#25100D #16250D #0D2225 #1C0D25

split-complementary

#25100D #0D251C #0D1625

monochromatic

#170A08 #170A08 #25100D #52241D #80372D

Accessibility & contrast

On white

18.13

#25100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#25100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25100D

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25100D	#FFFFFF	#000000	##FFFFFF
##25100D	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15130D

Deuteranopia (green-blind)

#1A180D

Tritanopia (blue-blind)

#290D0F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #25100d;
/* rgb */ color: rgb(37, 16, 13);
/* oklch */ color: oklch(20.3% 0.036 29.2);

Tailwind

colors: {
  custom: {
    50: '#604e4d',
    500: '#25100d',
    950: '#000000',
  },
}

SCSS

$custom: #25100d;
$custom-light: #604e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#25100d",
  "rgb": {
    "r": 37,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 7.5,
    "s": 48,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20345,
    "c": 0.03614,
    "h": 29.2
  },
  "luminance": 0.00793
}

Semantic roles & 50–950 ramp

primary

#25100D

secondary

#2F595F

accent

#C7D850

background

#F5F4F4

surface

#EAE7E7

border

#C6C3C3

text

#050101

muted

#797777

Preview Lab

Preview with #25100D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →