#90283A#90283A

#90283A is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.4% C 0.139 H 15.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#90283A
RGB	rgb(144, 40, 58)
HSL	hsl(350, 57%, 36%)
HSV	hsv(350, 72%, 56%)
CMYK	cmyk(0%, 72.2%, 59.7%, 43.5%)
CIE-LAB	lab(33.47, 44.57, 14.57)
CIE-LCH	lch(33.47, 46.89, 18.10°)
OKLab	oklab(44.39% 0.1338 0.036)
OKLCH	oklch(44.39% 0.139 15)
XYZ	xyz(13.0254, 7.7542, 4.8130)
Luminance	0.0775 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90283A #28907E

analogous

#90286E #90283A #904A28

triadic

#90283A #3A9028 #283A90

tetradic

#90283A #6E9028 #28907E #4A2890

square

#90283A #6E9028 #28907E #4A2890

split-complementary

#90283A #28904A #286E90

monochromatic

#300D13 #601B27 #90283A #C0354D #D36074

Accessibility & contrast

On white

8.23

#90283A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#90283A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90283A

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90283A	#FFFFFF	#000000	##FFFFFF
##90283A	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43413A

Deuteranopia (green-blind)

#5E5737

Tritanopia (blue-blind)

#9E0D2F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #90283a;
/* rgb */ color: rgb(144, 40, 58);
/* oklch */ color: oklch(44.4% 0.139 15.0);

Tailwind

colors: {
  custom: {
    50: '#b66a6f',
    500: '#90283a',
    950: '#000000',
  },
}

SCSS

$custom: #90283a;
$custom-light: #b66a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#90283a",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 349.615,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44385,
    "c": 0.13859,
    "h": 15
  },
  "luminance": 0.07752
}

Semantic roles & 50–950 ramp

primary

#90283A

secondary

#5CB8A8

accent

#E0C648

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90283A

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

Preview Lab → · Contrast checker → · Palette generator →