#901D17#901D17

#901D17 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 28.5°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#901D17
RGB	rgb(144, 29, 23)
HSL	hsl(3, 72%, 33%)
HSV	hsv(3, 84%, 56%)
CMYK	cmyk(0%, 79.9%, 84%, 43.5%)
CIE-LAB	lab(31.51, 46.71, 33.98)
CIE-LCH	lch(31.51, 57.76, 36.03°)
OKLab	oklab(42.76% 0.1331 0.0723)
OKLCH	oklch(42.76% 0.151 28.5)
XYZ	xyz(12.0971, 6.8718, 1.4999)
Luminance	0.0687 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D17 #178A90

analogous

#90174E #901D17 #905917

triadic

#901D17 #17901D #1D1790

tetradic

#901D17 #4E9017 #178A90 #591790

square

#901D17 #4E9017 #178A90 #591790

split-complementary

#901D17 #179059 #174E90

monochromatic

#260806 #5B120F #901D17 #C5281F #E14941

Accessibility & contrast

On white

8.85

#901D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D17

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D17	#FFFFFF	#000000	##FFFFFF
##901D17	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A15

Deuteranopia (green-blind)

#5E5311

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901d17;
/* rgb */ color: rgb(144, 29, 23);
/* oklch */ color: oklch(42.8% 0.151 28.5);

Tailwind

colors: {
  custom: {
    50: '#b96455',
    500: '#901d17',
    950: '#000000',
  },
}

SCSS

$custom: #901d17;
$custom-light: #b96455;
$custom-dark: #000000;

JSON

{
  "hex": "#901d17",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 23
  },
  "hsl": {
    "h": 2.975,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4276,
    "c": 0.15149,
    "h": 28.5
  },
  "luminance": 0.0687
}

Semantic roles & 50–950 ramp

primary

#901D17

secondary

#42BBC1

accent

#E6EF39

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901D17

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

Preview Lab → · Contrast checker → · Palette generator →