#901B27#901B27

#901B27 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 21.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#901B27
RGB	rgb(144, 27, 39)
HSL	hsl(354, 68%, 34%)
HSV	hsv(354, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 72.9%, 43.5%)
CIE-LAB	lab(31.49, 47.94, 24.30)
CIE-LCH	lch(31.49, 53.75, 26.88°)
OKLab	oklab(42.8% 0.1406 0.0558)
OKLCH	oklch(42.8% 0.151 21.6)
XYZ	xyz(12.2612, 6.8616, 2.5979)
Luminance	0.0686 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B27 #1B9084

analogous

#901B61 #901B27 #90491B

triadic

#901B27 #27901B #1B2790

tetradic

#901B27 #61901B #1B9084 #491B90

square

#901B27 #61901B #1B9084 #491B90

split-complementary

#901B27 #1B9049 #1B6190

monochromatic

#29080B #5C1119 #901B27 #C42535 #DD4958

Accessibility & contrast

On white

8.85

#901B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B27

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B27	#FFFFFF	#000000	##FFFFFF
##901B27	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)

#3F3A26

Deuteranopia (green-blind)

#5C5323

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b27;
/* rgb */ color: rgb(144, 27, 39);
/* oklch */ color: oklch(42.8% 0.151 21.6);

Tailwind

colors: {
  custom: {
    50: '#b86461',
    500: '#901b27',
    950: '#000000',
  },
}

SCSS

$custom: #901b27;
$custom-light: #b86461;
$custom-dark: #000000;

JSON

{
  "hex": "#901b27",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 39
  },
  "hsl": {
    "h": 353.846,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42804,
    "c": 0.15128,
    "h": 21.6
  },
  "luminance": 0.0686
}

Semantic roles & 50–950 ramp

primary

#901B27

secondary

#48BFB2

accent

#EBD93D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130605

muted

#827A79

Preview Lab

Preview with #901B27

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

Preview Lab → · Contrast checker → · Palette generator →