#90172C#90172C

#90172C is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.154 H 18.4°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#90172C
RGB	rgb(144, 23, 44)
HSL	hsl(350, 72%, 33%)
HSV	hsv(350, 84%, 56%)
CMYK	cmyk(0%, 84%, 69.4%, 43.5%)
CIE-LAB	lab(31.17, 49.32, 20.70)
CIE-LCH	lch(31.17, 53.49, 22.76°)
OKLab	oklab(42.6% 0.1462 0.0486)
OKLCH	oklch(42.6% 0.154 18.4)
XYZ	xyz(12.2640, 6.7259, 3.0349)
Luminance	0.0672 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90172C #17907B

analogous

#901768 #90172C #903F17

triadic

#90172C #2C9017 #172C90

tetradic

#90172C #689017 #17907B #3F1790

square

#90172C #689017 #17907B #3F1790

split-complementary

#90172C #17903F #176890

monochromatic

#26060C #5B0F1C #90172C #C51F3C #E1415D

Accessibility & contrast

On white

8.96

#90172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#90172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90172C

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90172C	#FFFFFF	#000000	##FFFFFF
##90172C	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392C

Deuteranopia (green-blind)

#5B5228

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90172c;
/* rgb */ color: rgb(144, 23, 44);
/* oklch */ color: oklch(42.6% 0.154 18.4);

Tailwind

colors: {
  custom: {
    50: '#b86364',
    500: '#90172c',
    950: '#000000',
  },
}

SCSS

$custom: #90172c;
$custom-light: #b86364;
$custom-dark: #000000;

JSON

{
  "hex": "#90172c",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 349.587,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42597,
    "c": 0.15408,
    "h": 18.4
  },
  "luminance": 0.06724
}

Semantic roles & 50–950 ramp

primary

#90172C

secondary

#42C1AB

accent

#EFCF39

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130605

muted

#827A7A

Preview Lab

Preview with #90172C

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

Preview Lab → · Contrast checker → · Palette generator →