#90131A#90131A

#90131A is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.1% C 0.158 H 25.3°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#90131A
RGB	rgb(144, 19, 26)
HSL	hsl(357, 77%, 32%)
HSV	hsv(357, 87%, 56%)
CMYK	cmyk(0%, 86.8%, 81.9%, 43.5%)
CIE-LAB	lab(30.57, 49.55, 31.33)
CIE-LCH	lch(30.57, 58.62, 32.30°)
OKLab	oklab(42.07% 0.1427 0.0676)
OKLCH	oklch(42.07% 0.158 25.3)
XYZ	xyz(11.9224, 6.4716, 1.5985)
Luminance	0.0647 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90131A #139089

analogous

#901359 #90131A #904B13

triadic

#90131A #1A9013 #131A90

tetradic

#90131A #599013 #139089 #4B1390

square

#90131A #599013 #139089 #4B1390

split-complementary

#90131A #13904B #135990

monochromatic

#240506 #5A0C10 #90131A #C61A24 #E53942

Accessibility & contrast

On white

9.15

#90131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#90131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90131A

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90131A	#FFFFFF	#000000	##FFFFFF
##90131A	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3719

Deuteranopia (green-blind)

#5B5114

Tritanopia (blue-blind)

#9F0018

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #90131a;
/* rgb */ color: rgb(144, 19, 26);
/* oklch */ color: oklch(42.1% 0.158 25.3);

Tailwind

colors: {
  custom: {
    50: '#ba6157',
    500: '#90131a',
    950: '#000000',
  },
}

SCSS

$custom: #90131a;
$custom-light: #ba6157;
$custom-dark: #000000;

JSON

{
  "hex": "#90131a",
  "rgb": {
    "r": 144,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 356.64,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42071,
    "c": 0.1579,
    "h": 25.3
  },
  "luminance": 0.0647
}

Semantic roles & 50–950 ramp

primary

#90131A

secondary

#3BC4BC

accent

#F3E935

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90131A

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

Preview Lab → · Contrast checker → · Palette generator →