#90241C#90241C

#90241C is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.5% C 0.145 H 28.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#90241C
RGB	rgb(144, 36, 28)
HSL	hsl(4, 67%, 34%)
HSV	hsv(4, 81%, 56%)
CMYK	cmyk(0%, 75%, 80.6%, 43.5%)
CIE-LAB	lab(32.43, 44.46, 32.05)
CIE-LCH	lch(32.43, 54.81, 35.79°)
OKLab	oklab(43.46% 0.1271 0.0699)
OKLCH	oklch(43.46% 0.145 28.8)
XYZ	xyz(12.3435, 7.2768, 1.8530)
Luminance	0.0727 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90241C #1C8890

analogous

#901C4E #90241C #905E1C

triadic

#90241C #1C9024 #241C90

tetradic

#90241C #4E901C #1C8890 #5E1C90

square

#90241C #4E901C #1C8890 #5E1C90

split-complementary

#90241C #1C905E #1C4E90

monochromatic

#2A0A08 #5D1712 #90241C #C33126 #DC554A

Accessibility & contrast

On white

8.55

#90241C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#90241C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90241C

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90241C	#FFFFFF	#000000	##FFFFFF
##90241C	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D1A

Deuteranopia (green-blind)

#5F5517

Tritanopia (blue-blind)

#9F0023

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #90241c;
/* rgb */ color: rgb(144, 36, 28);
/* oklch */ color: oklch(43.5% 0.145 28.8);

Tailwind

colors: {
  custom: {
    50: '#b96759',
    500: '#90241c',
    950: '#000000',
  },
}

SCSS

$custom: #90241c;
$custom-light: #b96759;
$custom-dark: #000000;

JSON

{
  "hex": "#90241c",
  "rgb": {
    "r": 144,
    "g": 36,
    "b": 28
  },
  "hsl": {
    "h": 4.138,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43458,
    "c": 0.14504,
    "h": 28.8
  },
  "luminance": 0.07275
}

Semantic roles & 50–950 ramp

primary

#90241C

secondary

#4AB6BE

accent

#DEEA3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90241C

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

Preview Lab → · Contrast checker → · Palette generator →