#901D2A#901D2A

#901D2A is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.149 H 20.7°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#901D2A
RGB	rgb(144, 29, 42)
HSL	hsl(353, 66%, 34%)
HSV	hsv(353, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 70.8%, 43.5%)
CIE-LAB	lab(31.75, 47.48, 22.70)
CIE-LCH	lch(31.75, 52.63, 25.56°)
OKLab	oklab(43.02% 0.1398 0.0528)
OKLCH	oklch(43.02% 0.149 20.7)
XYZ	xyz(12.3603, 6.9771, 2.8859)
Luminance	0.0698 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D2A #1D9083

analogous

#901D64 #901D2A #904A1D

triadic

#901D2A #2A901D #1D2A90

tetradic

#901D2A #64901D #1D9083 #4A1D90

square

#901D2A #64901D #1D9083 #4A1D90

split-complementary

#901D2A #1D904A #1D6490

monochromatic

#2A080C #5D131B #901D2A #C32739 #DB4C5D

Accessibility & contrast

On white

8.77

#901D2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901D2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D2A

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D2A	#FFFFFF	#000000	##FFFFFF
##901D2A	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403B2A

Deuteranopia (green-blind)

#5C5326

Tritanopia (blue-blind)

#9F0023

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901d2a;
/* rgb */ color: rgb(144, 29, 42);
/* oklch */ color: oklch(43.0% 0.149 20.7);

Tailwind

colors: {
  custom: {
    50: '#b86563',
    500: '#901d2a',
    950: '#000000',
  },
}

SCSS

$custom: #901d2a;
$custom-light: #b86563;
$custom-dark: #000000;

JSON

{
  "hex": "#901d2a",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 42
  },
  "hsl": {
    "h": 353.217,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43016,
    "c": 0.14948,
    "h": 20.7
  },
  "luminance": 0.06975
}

Semantic roles & 50–950 ramp

primary

#901D2A

secondary

#4BBDB1

accent

#E9D63E

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901D2A

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

Preview Lab → · Contrast checker → · Palette generator →