#90283C#90283C

#90283C is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.4% C 0.139 H 13.8°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#90283C
RGB	rgb(144, 40, 60)
HSL	hsl(348, 57%, 36%)
HSV	hsv(348, 72%, 56%)
CMYK	cmyk(0%, 72.2%, 58.3%, 43.5%)
CIE-LAB	lab(33.51, 44.72, 13.33)
CIE-LCH	lch(33.51, 46.67, 16.60°)
OKLab	oklab(44.43% 0.1347 0.0332)
OKLCH	oklch(44.43% 0.139 13.8)
XYZ	xyz(13.0772, 7.7749, 5.0862)
Luminance	0.0777 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90283C #28907C

analogous

#902870 #90283C #904828

triadic

#90283C #3C9028 #283C90

tetradic

#90283C #709028 #28907C #482890

square

#90283C #709028 #28907C #482890

split-complementary

#90283C #289048 #287090

monochromatic

#300D14 #601B28 #90283C #C03550 #D36076

Accessibility & contrast

On white

8.22

#90283C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#90283C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90283C

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90283C	#FFFFFF	#000000	##FFFFFF
##90283C	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43413C

Deuteranopia (green-blind)

#5D5739

Tritanopia (blue-blind)

#9E0E30

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #90283c;
/* rgb */ color: rgb(144, 40, 60);
/* oklch */ color: oklch(44.4% 0.139 13.8);

Tailwind

colors: {
  custom: {
    50: '#b66a71',
    500: '#90283c',
    950: '#000000',
  },
}

SCSS

$custom: #90283c;
$custom-light: #b66a71;
$custom-dark: #000000;

JSON

{
  "hex": "#90283c",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 348.462,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44432,
    "c": 0.13869,
    "h": 13.8
  },
  "luminance": 0.07773
}

Semantic roles & 50–950 ramp

primary

#90283C

secondary

#5CB8A6

accent

#E0C348

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90283C

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

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