#90273B#90273B

#90273B is a dark, vivid red. Relative luminance 0.077; OKLCH L 44.3% C 0.140 H 14.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#90273B
RGB	rgb(144, 39, 59)
HSL	hsl(349, 57%, 36%)
HSV	hsv(349, 73%, 56%)
CMYK	cmyk(0%, 72.9%, 59%, 43.5%)
CIE-LAB	lab(33.35, 45.04, 13.76)
CIE-LCH	lch(33.35, 47.09, 16.99°)
OKLab	oklab(44.3% 0.1355 0.0341)
OKLCH	oklch(44.3% 0.14 14.1)
XYZ	xyz(13.0178, 7.6979, 4.9372)
Luminance	0.0770 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90273B #27907C

analogous

#90276F #90273B #904727

triadic

#90273B #3B9027 #273B90

tetradic

#90273B #6F9027 #27907C #472790

square

#90273B #6F9027 #27907C #472790

split-complementary

#90273B #279047 #276F90

monochromatic

#300D14 #601A27 #90273B #C0344F #D35E74

Accessibility & contrast

On white

8.27

#90273B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#90273B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90273B

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90273B	#FFFFFF	#000000	##FFFFFF
##90273B	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42413B

Deuteranopia (green-blind)

#5D5638

Tritanopia (blue-blind)

#9E0B2F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90273b;
/* rgb */ color: rgb(144, 39, 59);
/* oklch */ color: oklch(44.3% 0.140 14.1);

Tailwind

colors: {
  custom: {
    50: '#b66970',
    500: '#90273b',
    950: '#000000',
  },
}

SCSS

$custom: #90273b;
$custom-light: #b66970;
$custom-dark: #000000;

JSON

{
  "hex": "#90273b",
  "rgb": {
    "r": 144,
    "g": 39,
    "b": 59
  },
  "hsl": {
    "h": 348.571,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44303,
    "c": 0.13974,
    "h": 14.1
  },
  "luminance": 0.07696
}

Semantic roles & 50–950 ramp

primary

#90273B

secondary

#5AB9A7

accent

#E1C347

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90273B

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

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