#90182F#90182F

#90182F is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.153 H 17.1°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#90182F
RGB	rgb(144, 24, 47)
HSL	hsl(349, 71%, 33%)
HSV	hsv(349, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 67.4%, 43.5%)
CIE-LAB	lab(31.32, 49.22, 18.93)
CIE-LCH	lch(31.32, 52.73, 21.03°)
OKLab	oklab(42.73% 0.1466 0.045)
OKLCH	oklch(42.73% 0.153 17.1)
XYZ	xyz(12.3427, 6.7897, 3.3494)
Luminance	0.0679 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90182F #189079

analogous

#90186B #90182F #903D18

triadic

#90182F #2F9018 #182F90

tetradic

#90182F #6B9018 #189079 #3D1890

square

#90182F #6B9018 #189079 #3D1890

split-complementary

#90182F #18903D #186B90

monochromatic

#27070D #5C0F1E #90182F #C42140 #E04361

Accessibility & contrast

On white

8.91

#90182F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#90182F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90182F

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90182F	#FFFFFF	#000000	##FFFFFF
##90182F	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A2F

Deuteranopia (green-blind)

#5B532B

Tritanopia (blue-blind)

#9F0022

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #90182f;
/* rgb */ color: rgb(144, 24, 47);
/* oklch */ color: oklch(42.7% 0.153 17.1);

Tailwind

colors: {
  custom: {
    50: '#b86367',
    500: '#90182f',
    950: '#000000',
  },
}

SCSS

$custom: #90182f;
$custom-light: #b86367;
$custom-dark: #000000;

JSON

{
  "hex": "#90182f",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 47
  },
  "hsl": {
    "h": 348.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42725,
    "c": 0.15332,
    "h": 17.1
  },
  "luminance": 0.06788
}

Semantic roles & 50–950 ramp

primary

#90182F

secondary

#43C0A8

accent

#EECC3A

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #90182F

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

Preview Lab → · Contrast checker → · Palette generator →