#90243C#90243C

#90243C is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.0% C 0.143 H 12.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#90243C
RGB	rgb(144, 36, 60)
HSL	hsl(347, 60%, 35%)
HSV	hsv(347, 75%, 56%)
CMYK	cmyk(0%, 75%, 58.3%, 43.5%)
CIE-LAB	lab(32.96, 46.24, 12.59)
CIE-LCH	lch(32.96, 47.93, 15.23°)
OKLab	oklab(44.02% 0.1396 0.0314)
OKLCH	oklch(44.02% 0.143 12.7)
XYZ	xyz(12.9493, 7.5191, 5.0436)
Luminance	0.0752 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90243C #249078

analogous

#902472 #90243C #904224

triadic

#90243C #3C9024 #243C90

tetradic

#90243C #729024 #249078 #422490

square

#90243C #729024 #249078 #422490

split-complementary

#90243C #249042 #247290

monochromatic

#2E0C13 #5F1828 #90243C #C13050 #D55975

Accessibility & contrast

On white

8.39

#90243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#90243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90243C

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90243C	#FFFFFF	#000000	##FFFFFF
##90243C	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)

#403F3C

Deuteranopia (green-blind)

#5C5639

Tritanopia (blue-blind)

#9E042E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90243c;
/* rgb */ color: rgb(144, 36, 60);
/* oklch */ color: oklch(44.0% 0.143 12.7);

Tailwind

colors: {
  custom: {
    50: '#b76871',
    500: '#90243c',
    950: '#000000',
  },
}

SCSS

$custom: #90243c;
$custom-light: #b76871;
$custom-dark: #000000;

JSON

{
  "hex": "#90243c",
  "rgb": {
    "r": 144,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 346.667,
    "s": 60,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44024,
    "c": 0.14303,
    "h": 12.7
  },
  "luminance": 0.07517
}

Semantic roles & 50–950 ramp

primary

#90243C

secondary

#56BAA4

accent

#E3C045

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90243C

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

Preview Lab → · Contrast checker → · Palette generator →