#902017#902017

#902017 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.149 H 29.3°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#902017
RGB	rgb(144, 32, 23)
HSL	hsl(4, 72%, 33%)
HSV	hsv(4, 84%, 56%)
CMYK	cmyk(0%, 77.8%, 84%, 43.5%)
CIE-LAB	lab(31.87, 45.72, 34.31)
CIE-LCH	lch(31.87, 57.16, 36.89°)
OKLab	oklab(43.02% 0.13 0.073)
OKLCH	oklch(43.02% 0.149 29.3)
XYZ	xyz(12.1743, 7.0261, 1.5256)
Luminance	0.0702 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#902017 #178790

analogous

#90174A #902017 #905D17

triadic

#902017 #179020 #201790

tetradic

#902017 #4A9017 #178790 #5D1790

square

#902017 #4A9017 #178790 #5D1790

split-complementary

#902017 #17905D #174A90

monochromatic

#260906 #5B140F #902017 #C52C1F #E14D41

Accessibility & contrast

On white

8.73

#902017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#902017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #902017

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##902017	#FFFFFF	#000000	##FFFFFF
##902017	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B14

Deuteranopia (green-blind)

#5E5411

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #902017;
/* rgb */ color: rgb(144, 32, 23);
/* oklch */ color: oklch(43.0% 0.149 29.3);

Tailwind

colors: {
  custom: {
    50: '#b96555',
    500: '#902017',
    950: '#000000',
  },
}

SCSS

$custom: #902017;
$custom-light: #b96555;
$custom-dark: #000000;

JSON

{
  "hex": "#902017",
  "rgb": {
    "r": 144,
    "g": 32,
    "b": 23
  },
  "hsl": {
    "h": 4.463,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43023,
    "c": 0.14914,
    "h": 29.3
  },
  "luminance": 0.07024
}

Semantic roles & 50–950 ramp

primary

#902017

secondary

#42B8C1

accent

#E2EF39

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #902017

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

Preview Lab → · Contrast checker → · Palette generator →