#90281A#90281A

#90281A is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.9% C 0.142 H 30.9°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#90281A
RGB	rgb(144, 40, 26)
HSL	hsl(7, 69%, 33%)
HSV	hsv(7, 82%, 56%)
CMYK	cmyk(0%, 72.2%, 81.9%, 43.5%)
CIE-LAB	lab(32.97, 42.84, 33.73)
CIE-LCH	lch(32.97, 54.53, 38.21°)
OKLab	oklab(43.86% 0.1216 0.0729)
OKLCH	oklch(43.86% 0.142 30.9)
XYZ	xyz(12.4483, 7.5234, 1.7738)
Luminance	0.0752 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90281A #1A8290

analogous

#901A47 #90281A #90631A

triadic

#90281A #1A9028 #281A90

tetradic

#90281A #47901A #1A8290 #631A90

square

#90281A #47901A #1A8290 #631A90

split-complementary

#90281A #1A9063 #1A4790

monochromatic

#280B07 #5C1A11 #90281A #C43623 #DE5947

Accessibility & contrast

On white

8.39

#90281A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#90281A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90281A

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90281A	#FFFFFF	#000000	##FFFFFF
##90281A	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F17

Deuteranopia (green-blind)

#615615

Tritanopia (blue-blind)

#9F0026

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90281a;
/* rgb */ color: rgb(144, 40, 26);
/* oklch */ color: oklch(43.9% 0.142 30.9);

Tailwind

colors: {
  custom: {
    50: '#b96958',
    500: '#90281a',
    950: '#000000',
  },
}

SCSS

$custom: #90281a;
$custom-light: #b96958;
$custom-dark: #000000;

JSON

{
  "hex": "#90281a",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 26
  },
  "hsl": {
    "h": 7.119,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.43856,
    "c": 0.1418,
    "h": 30.9
  },
  "luminance": 0.07521
}

Semantic roles & 50–950 ramp

primary

#90281A

secondary

#47B1BF

accent

#D7EC3C

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130703

muted

#827A78

Preview Lab

Preview with #90281A

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

Preview Lab → · Contrast checker → · Palette generator →