#90182A#90182A

#90182A is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.6% C 0.153 H 19.6°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#90182A
RGB	rgb(144, 24, 42)
HSL	hsl(351, 71%, 33%)
HSV	hsv(351, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 70.8%, 43.5%)
CIE-LAB	lab(31.23, 48.95, 22.07)
CIE-LCH	lch(31.23, 53.69, 24.27°)
OKLab	oklab(42.63% 0.1445 0.0514)
OKLCH	oklch(42.63% 0.153 19.6)
XYZ	xyz(12.2476, 6.7517, 2.8484)
Luminance	0.0675 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90182A #18907E

analogous

#901866 #90182A #904218

triadic

#90182A #2A9018 #182A90

tetradic

#90182A #669018 #18907E #421890

square

#90182A #669018 #18907E #421890

split-complementary

#90182A #189042 #186690

monochromatic

#27070B #5C0F1B #90182A #C42139 #E0435A

Accessibility & contrast

On white

8.94

#90182A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#90182A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90182A

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90182A	#FFFFFF	#000000	##FFFFFF
##90182A	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392A

Deuteranopia (green-blind)

#5B5226

Tritanopia (blue-blind)

#9F0020

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90182a;
/* rgb */ color: rgb(144, 24, 42);
/* oklch */ color: oklch(42.6% 0.153 19.6);

Tailwind

colors: {
  custom: {
    50: '#b86363',
    500: '#90182a',
    950: '#000000',
  },
}

SCSS

$custom: #90182a;
$custom-light: #b86363;
$custom-dark: #000000;

JSON

{
  "hex": "#90182a",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 42
  },
  "hsl": {
    "h": 351,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42631,
    "c": 0.1534,
    "h": 19.6
  },
  "luminance": 0.0675
}

Semantic roles & 50–950 ramp

primary

#90182A

secondary

#43C0AE

accent

#EED33A

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #90182A

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

Preview Lab → · Contrast checker → · Palette generator →