#901F17#901F17

#901F17 is a dark, vivid red. Relative luminance 0.070; OKLCH L 42.9% C 0.150 H 29.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#901F17
RGB	rgb(144, 31, 23)
HSL	hsl(4, 72%, 33%)
HSV	hsv(4, 84%, 56%)
CMYK	cmyk(0%, 78.5%, 84%, 43.5%)
CIE-LAB	lab(31.75, 46.06, 34.20)
CIE-LCH	lch(31.75, 57.37, 36.59°)
OKLab	oklab(42.93% 0.1311 0.0728)
OKLCH	oklch(42.93% 0.15 29)
XYZ	xyz(12.1477, 6.9731, 1.5168)
Luminance	0.0697 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F17 #178890

analogous

#90174B #901F17 #905B17

triadic

#901F17 #17901F #1F1790

tetradic

#901F17 #4B9017 #178890 #5B1790

square

#901F17 #4B9017 #178890 #5B1790

split-complementary

#901F17 #17905B #174B90

monochromatic

#260806 #5B140F #901F17 #C52A1F #E14B41

Accessibility & contrast

On white

8.77

#901F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#901F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F17

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F17	#FFFFFF	#000000	##FFFFFF
##901F17	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423B15

Deuteranopia (green-blind)

#5E5411

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901f17;
/* rgb */ color: rgb(144, 31, 23);
/* oklch */ color: oklch(42.9% 0.150 29.0);

Tailwind

colors: {
  custom: {
    50: '#b96555',
    500: '#901f17',
    950: '#000000',
  },
}

SCSS

$custom: #901f17;
$custom-light: #b96555;
$custom-dark: #000000;

JSON

{
  "hex": "#901f17",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 3.967,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42933,
    "c": 0.14994,
    "h": 29
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary

#901F17

secondary

#42B9C1

accent

#E3EF39

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901F17

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

Preview Lab → · Contrast checker → · Palette generator →