#90172E#90172E

#90172E is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.154 H 17.4°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#90172E
RGB	rgb(144, 23, 46)
HSL	hsl(349, 72%, 33%)
HSV	hsv(349, 84%, 56%)
CMYK	cmyk(0%, 84%, 68.1%, 43.5%)
CIE-LAB	lab(31.21, 49.43, 19.44)
CIE-LCH	lch(31.21, 53.11, 21.47°)
OKLab	oklab(42.64% 0.147 0.0461)
OKLCH	oklch(42.64% 0.154 17.4)
XYZ	xyz(12.3025, 6.7413, 3.2377)
Luminance	0.0674 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90172E #179079

analogous

#90176A #90172E #903C17

triadic

#90172E #2E9017 #172E90

tetradic

#90172E #6A9017 #179079 #3C1790

square

#90172E #6A9017 #179079 #3C1790

split-complementary

#90172E #17903C #176A90

monochromatic

#26060C #5B0F1D #90172E #C51F3F #E1415F

Accessibility & contrast

On white

8.94

#90172E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#90172E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90172E

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90172E	#FFFFFF	#000000	##FFFFFF
##90172E	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)

#3C392E

Deuteranopia (green-blind)

#5B522A

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90172e;
/* rgb */ color: rgb(144, 23, 46);
/* oklch */ color: oklch(42.6% 0.154 17.4);

Tailwind

colors: {
  custom: {
    50: '#b86366',
    500: '#90172e',
    950: '#000000',
  },
}

SCSS

$custom: #90172e;
$custom-light: #b86366;
$custom-dark: #000000;

JSON

{
  "hex": "#90172e",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 46
  },
  "hsl": {
    "h": 348.595,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42636,
    "c": 0.15406,
    "h": 17.4
  },
  "luminance": 0.06739
}

Semantic roles & 50–950 ramp

primary

#90172E

secondary

#42C1A9

accent

#EFCC39

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130605

muted

#827A7A

Preview Lab

Preview with #90172E

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

Preview Lab → · Contrast checker → · Palette generator →