#901A31#901A31

#901A31 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.9% C 0.152 H 16.4°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#901A31
RGB	rgb(144, 26, 49)
HSL	hsl(348, 69%, 33%)
HSV	hsv(348, 82%, 56%)
CMYK	cmyk(0%, 81.9%, 66%, 43.5%)
CIE-LAB	lab(31.56, 48.78, 17.92)
CIE-LCH	lch(31.56, 51.96, 20.17°)
OKLab	oklab(42.91% 0.1456 0.043)
OKLCH	oklch(42.91% 0.152 16.4)
XYZ	xyz(12.4267, 6.8917, 3.5810)
Luminance	0.0689 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901A31 #1A9079

analogous

#901A6C #901A31 #903E1A

triadic

#901A31 #31901A #1A3190

tetradic

#901A31 #6C901A #1A9079 #3E1A90

square

#901A31 #6C901A #1A9079 #3E1A90

split-complementary

#901A31 #1A903E #1A6C90

monochromatic

#28070E #5C111F #901A31 #C42343 #DE4764

Accessibility & contrast

On white

8.83

#901A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#901A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901A31

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901A31	#FFFFFF	#000000	##FFFFFF
##901A31	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B31

Deuteranopia (green-blind)

#5B532E

Tritanopia (blue-blind)

#9E0024

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901a31;
/* rgb */ color: rgb(144, 26, 49);
/* oklch */ color: oklch(42.9% 0.152 16.4);

Tailwind

colors: {
  custom: {
    50: '#b86468',
    500: '#901a31',
    950: '#000000',
  },
}

SCSS

$custom: #901a31;
$custom-light: #b86468;
$custom-dark: #000000;

JSON

{
  "hex": "#901a31",
  "rgb": {
    "r": 144,
    "g": 26,
    "b": 49
  },
  "hsl": {
    "h": 348.305,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42912,
    "c": 0.15178,
    "h": 16.4
  },
  "luminance": 0.0689
}

Semantic roles & 50–950 ramp

primary

#901A31

secondary

#47BFA8

accent

#ECCA3C

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901A31

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

Preview Lab → · Contrast checker → · Palette generator →