#90172D#90172D

#90172D is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.154 H 17.9°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#90172D
RGB	rgb(144, 23, 45)
HSL	hsl(349, 72%, 33%)
HSV	hsv(349, 84%, 56%)
CMYK	cmyk(0%, 84%, 68.7%, 43.5%)
CIE-LAB	lab(31.19, 49.37, 20.07)
CIE-LCH	lch(31.19, 53.30, 22.12°)
OKLab	oklab(42.62% 0.1466 0.0474)
OKLCH	oklch(42.62% 0.154 17.9)
XYZ	xyz(12.2830, 6.7335, 3.1351)
Luminance	0.0673 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90172D #17907A

analogous

#901769 #90172D #903E17

triadic

#90172D #2D9017 #172D90

tetradic

#90172D #699017 #17907A #3E1790

square

#90172D #699017 #17907A #3E1790

split-complementary

#90172D #17903E #176990

monochromatic

#26060C #5B0F1D #90172D #C51F3D #E1415E

Accessibility & contrast

On white

8.95

#90172D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#90172D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90172D

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90172D	#FFFFFF	#000000	##FFFFFF
##90172D	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392D

Deuteranopia (green-blind)

#5B5229

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90172d;
/* rgb */ color: rgb(144, 23, 45);
/* oklch */ color: oklch(42.6% 0.154 17.9);

Tailwind

colors: {
  custom: {
    50: '#b86365',
    500: '#90172d',
    950: '#000000',
  },
}

SCSS

$custom: #90172d;
$custom-light: #b86365;
$custom-dark: #000000;

JSON

{
  "hex": "#90172d",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 45
  },
  "hsl": {
    "h": 349.091,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42616,
    "c": 0.15407,
    "h": 17.9
  },
  "luminance": 0.06732
}

Semantic roles & 50–950 ramp

primary

#90172D

secondary

#42C1AA

accent

#EFCE39

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130605

muted

#827A7A

Preview Lab

Preview with #90172D

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

Preview Lab → · Contrast checker → · Palette generator →