#901C1E#901C1E

#901C1E is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 25.7°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#901C1E
RGB	rgb(144, 28, 30)
HSL	hsl(359, 67%, 34%)
HSV	hsv(359, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 79.2%, 43.5%)
CIE-LAB	lab(31.48, 47.26, 29.88)
CIE-LCH	lch(31.48, 55.91, 32.30°)
OKLab	oklab(42.76% 0.1364 0.0658)
OKLCH	oklch(42.76% 0.151 25.7)
XYZ	xyz(12.1527, 6.8555, 1.9114)
Luminance	0.0685 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C1E #1C908E

analogous

#901C58 #901C1E #90541C

triadic

#901C1E #1E901C #1C1E90

tetradic

#901C1E #58901C #1C908E #541C90

square

#901C1E #58901C #1C908E #541C90

split-complementary

#901C1E #1C9054 #1C5890

monochromatic

#2A0809 #5D1213 #901C1E #C32629 #DC4A4D

Accessibility & contrast

On white

8.86

#901C1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901C1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C1E

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C1E	#FFFFFF	#000000	##FFFFFF
##901C1E	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403A1D

Deuteranopia (green-blind)

#5D5319

Tritanopia (blue-blind)

#9F001E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c1e;
/* rgb */ color: rgb(144, 28, 30);
/* oklch */ color: oklch(42.8% 0.151 25.7);

Tailwind

colors: {
  custom: {
    50: '#b9645a',
    500: '#901c1e',
    950: '#000000',
  },
}

SCSS

$custom: #901c1e;
$custom-light: #b9645a;
$custom-dark: #000000;

JSON

{
  "hex": "#901c1e",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 30
  },
  "hsl": {
    "h": 358.966,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42755,
    "c": 0.15137,
    "h": 25.7
  },
  "luminance": 0.06854
}

Semantic roles & 50–950 ramp

primary

#901C1E

secondary

#4ABEBC

accent

#EAE73D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901C1E

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

Preview Lab → · Contrast checker → · Palette generator →