#90182D#90182D

#90182D is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.153 H 18.1°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#90182D
RGB	rgb(144, 24, 45)
HSL	hsl(350, 71%, 33%)
HSV	hsv(350, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 68.7%, 43.5%)
CIE-LAB	lab(31.29, 49.11, 20.18)
CIE-LCH	lch(31.29, 53.09, 22.34°)
OKLab	oklab(42.69% 0.1458 0.0476)
OKLCH	oklch(42.69% 0.153 18.1)
XYZ	xyz(12.3033, 6.7739, 3.1418)
Luminance	0.0677 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90182D #18907B

analogous

#901869 #90182D #903F18

triadic

#90182D #2D9018 #182D90

tetradic

#90182D #699018 #18907B #3F1890

square

#90182D #699018 #18907B #3F1890

split-complementary

#90182D #18903F #186990

monochromatic

#27070C #5C0F1D #90182D #C4213D #E0435E

Accessibility & contrast

On white

8.92

#90182D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#90182D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90182D

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90182D	#FFFFFF	#000000	##FFFFFF
##90182D	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A2D

Deuteranopia (green-blind)

#5B5329

Tritanopia (blue-blind)

#9F0022

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #90182d;
/* rgb */ color: rgb(144, 24, 45);
/* oklch */ color: oklch(42.7% 0.153 18.1);

Tailwind

colors: {
  custom: {
    50: '#b86365',
    500: '#90182d',
    950: '#000000',
  },
}

SCSS

$custom: #90182d;
$custom-light: #b86365;
$custom-dark: #000000;

JSON

{
  "hex": "#90182d",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 45
  },
  "hsl": {
    "h": 349.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42686,
    "c": 0.15333,
    "h": 18.1
  },
  "luminance": 0.06772
}

Semantic roles & 50–950 ramp

primary

#90182D

secondary

#43C0AB

accent

#EECF3A

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130605

muted

#827A7A

Preview Lab

Preview with #90182D

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

Preview Lab → · Contrast checker → · Palette generator →