#90233B#90233B

#90233B is a dark, vivid red. Relative luminance 0.074; OKLCH L 43.9% C 0.144 H 13.0°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#90233B
RGB	rgb(144, 35, 59)
HSL	hsl(347, 61%, 35%)
HSV	hsv(347, 76%, 56%)
CMYK	cmyk(0%, 75.7%, 59%, 43.5%)
CIE-LAB	lab(32.81, 46.53, 13.03)
CIE-LCH	lch(32.81, 48.32, 15.65°)
OKLab	oklab(43.9% 0.1403 0.0324)
OKLCH	oklch(43.9% 0.144 13)
XYZ	xyz(12.8933, 7.4490, 4.8957)
Luminance	0.0745 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90233B #239078

analogous

#902371 #90233B #904123

triadic

#90233B #3B9023 #233B90

tetradic

#90233B #719023 #239078 #412390

square

#90233B #719023 #239078 #412390

split-complementary

#90233B #239041 #237190

monochromatic

#2E0B13 #5F1727 #90233B #C12F4F #D65773

Accessibility & contrast

On white

8.44

#90233B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#90233B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90233B

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90233B	#FFFFFF	#000000	##FFFFFF
##90233B	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403F3B

Deuteranopia (green-blind)

#5C5538

Tritanopia (blue-blind)

#9E012D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90233b;
/* rgb */ color: rgb(144, 35, 59);
/* oklch */ color: oklch(43.9% 0.144 13.0);

Tailwind

colors: {
  custom: {
    50: '#b76870',
    500: '#90233b',
    950: '#000000',
  },
}

SCSS

$custom: #90233b;
$custom-light: #b76870;
$custom-dark: #000000;

JSON

{
  "hex": "#90233b",
  "rgb": {
    "r": 144,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 346.789,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43904,
    "c": 0.144,
    "h": 13
  },
  "luminance": 0.07447
}

Semantic roles & 50–950 ramp

primary

#90233B

secondary

#54BAA4

accent

#E4C144

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90233B

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

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