#90243F#90243F

#90243F is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.1% C 0.143 H 10.9°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#90243F
RGB	rgb(144, 36, 63)
HSL	hsl(345, 60%, 35%)
HSV	hsv(345, 75%, 56%)
CMYK	cmyk(0%, 75%, 56.3%, 43.5%)
CIE-LAB	lab(33.03, 46.48, 10.73)
CIE-LCH	lch(33.03, 47.70, 13.00°)
OKLab	oklab(44.1% 0.1408 0.0271)
OKLCH	oklch(44.1% 0.143 10.9)
XYZ	xyz(13.0309, 7.5518, 5.4731)
Luminance	0.0755 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90243F #249075

analogous

#902475 #90243F #903F24

triadic

#90243F #3F9024 #243F90

tetradic

#90243F #759024 #249075 #3F2490

square

#90243F #759024 #249075 #3F2490

split-complementary

#90243F #24903F #247590

monochromatic

#2E0C14 #5F182A #90243F #C13054 #D55978

Accessibility & contrast

On white

8.37

#90243F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#90243F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90243F

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90243F	#FFFFFF	#000000	##FFFFFF
##90243F	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40403F

Deuteranopia (green-blind)

#5C563C

Tritanopia (blue-blind)

#9E062F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90243f;
/* rgb */ color: rgb(144, 36, 63);
/* oklch */ color: oklch(44.1% 0.143 10.9);

Tailwind

colors: {
  custom: {
    50: '#b66873',
    500: '#90243f',
    950: '#000000',
  },
}

SCSS

$custom: #90243f;
$custom-light: #b66873;
$custom-dark: #000000;

JSON

{
  "hex": "#90243f",
  "rgb": {
    "r": 144,
    "g": 36,
    "b": 63
  },
  "hsl": {
    "h": 345,
    "s": 60,
    "l": 35.294
  },
  "oklch": {
    "l": 0.441,
    "c": 0.14336,
    "h": 10.9
  },
  "luminance": 0.0755
}

Semantic roles & 50–950 ramp

primary

#90243F

secondary

#56BAA1

accent

#E3BC45

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120708

muted

#817A7B

Preview Lab

Preview with #90243F

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

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