#90182C#90182C

#90182C is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.153 H 18.6°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#90182C
RGB	rgb(144, 24, 44)
HSL	hsl(350, 71%, 33%)
HSV	hsv(350, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 69.4%, 43.5%)
CIE-LAB	lab(31.27, 49.05, 20.81)
CIE-LCH	lch(31.27, 53.29, 22.99°)
OKLab	oklab(42.67% 0.1453 0.0489)
OKLCH	oklch(42.67% 0.153 18.6)
XYZ	xyz(12.2842, 6.7663, 3.0416)
Luminance	0.0676 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90182C #18907C

analogous

#901868 #90182C #904018

triadic

#90182C #2C9018 #182C90

tetradic

#90182C #689018 #18907C #401890

square

#90182C #689018 #18907C #401890

split-complementary

#90182C #189040 #186890

monochromatic

#27070C #5C0F1C #90182C #C4213C #E0435D

Accessibility & contrast

On white

8.93

#90182C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#90182C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90182C

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90182C	#FFFFFF	#000000	##FFFFFF
##90182C	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A2C

Deuteranopia (green-blind)

#5B5328

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #90182c;
/* rgb */ color: rgb(144, 24, 44);
/* oklch */ color: oklch(42.7% 0.153 18.6);

Tailwind

colors: {
  custom: {
    50: '#b86364',
    500: '#90182c',
    950: '#000000',
  },
}

SCSS

$custom: #90182c;
$custom-light: #b86364;
$custom-dark: #000000;

JSON

{
  "hex": "#90182c",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 44
  },
  "hsl": {
    "h": 350,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42667,
    "c": 0.15334,
    "h": 18.6
  },
  "luminance": 0.06764
}

Semantic roles & 50–950 ramp

primary

#90182C

secondary

#43C0AC

accent

#EED03A

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130605

muted

#827A7A

Preview Lab

Preview with #90182C

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

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