#90283D#90283D

#90283D is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.5% C 0.139 H 13.2°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#90283D
RGB	rgb(144, 40, 61)
HSL	hsl(348, 57%, 36%)
HSV	hsv(348, 72%, 56%)
CMYK	cmyk(0%, 72.2%, 57.6%, 43.5%)
CIE-LAB	lab(33.53, 44.80, 12.71)
CIE-LCH	lch(33.53, 46.57, 15.84°)
OKLab	oklab(44.46% 0.1351 0.0317)
OKLCH	oklch(44.46% 0.139 13.2)
XYZ	xyz(13.1039, 7.7856, 5.2267)
Luminance	0.0778 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90283D #28907B

analogous

#902871 #90283D #904728

triadic

#90283D #3D9028 #283D90

tetradic

#90283D #719028 #28907B #472890

square

#90283D #719028 #28907B #472890

split-complementary

#90283D #289047 #287190

monochromatic

#300D14 #601B29 #90283D #C03551 #D36077

Accessibility & contrast

On white

8.21

#90283D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#90283D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90283D

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90283D	#FFFFFF	#000000	##FFFFFF
##90283D	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42413D

Deuteranopia (green-blind)

#5D573A

Tritanopia (blue-blind)

#9E0F31

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #90283d;
/* rgb */ color: rgb(144, 40, 61);
/* oklch */ color: oklch(44.5% 0.139 13.2);

Tailwind

colors: {
  custom: {
    50: '#b66a72',
    500: '#90283d',
    950: '#000000',
  },
}

SCSS

$custom: #90283d;
$custom-light: #b66a72;
$custom-dark: #000000;

JSON

{
  "hex": "#90283d",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 347.885,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44456,
    "c": 0.13876,
    "h": 13.2
  },
  "luminance": 0.07784
}

Semantic roles & 50–950 ramp

primary

#90283D

secondary

#5CB8A6

accent

#E0C148

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90283D

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

Preview Lab → · Contrast checker → · Palette generator →