#90281B#90281B

#90281B is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.9% C 0.142 H 30.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#90281B
RGB	rgb(144, 40, 27)
HSL	hsl(7, 68%, 34%)
HSV	hsv(7, 81%, 56%)
CMYK	cmyk(0%, 72.2%, 81.3%, 43.5%)
CIE-LAB	lab(32.98, 42.88, 33.18)
CIE-LCH	lch(32.98, 54.22, 37.74°)
OKLab	oklab(43.87% 0.122 0.072)
OKLCH	oklch(43.87% 0.142 30.6)
XYZ	xyz(12.4597, 7.5279, 1.8337)
Luminance	0.0753 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90281B #1B8390

analogous

#901B48 #90281B #90621B

triadic

#90281B #1B9028 #281B90

tetradic

#90281B #48901B #1B8390 #621B90

square

#90281B #48901B #1B8390 #621B90

split-complementary

#90281B #1B9062 #1B4890

monochromatic

#290B08 #5C1A11 #90281B #C43625 #DD5949

Accessibility & contrast

On white

8.38

#90281B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#90281B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90281B

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90281B	#FFFFFF	#000000	##FFFFFF
##90281B	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F19

Deuteranopia (green-blind)

#605616

Tritanopia (blue-blind)

#9F0026

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90281b;
/* rgb */ color: rgb(144, 40, 27);
/* oklch */ color: oklch(43.9% 0.142 30.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#90281b",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 6.667,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43866,
    "c": 0.14162,
    "h": 30.6
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#90281B

secondary

#48B1BF

accent

#D8EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130703

muted

#827A78

Preview Lab

Preview with #90281B

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

Preview Lab → · Contrast checker → · Palette generator →