#901B20#901B20

#901B20 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.152 H 24.7°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#901B20
RGB	rgb(144, 27, 32)
HSL	hsl(357, 68%, 34%)
HSV	hsv(357, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 77.8%, 43.5%)
CIE-LAB	lab(31.39, 47.64, 28.57)
CIE-LCH	lch(31.39, 55.55, 30.95°)
OKLab	oklab(42.7% 0.138 0.0635)
OKLCH	oklch(42.7% 0.152 24.7)
XYZ	xyz(12.1557, 6.8194, 2.0425)
Luminance	0.0682 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B20 #1B908B

analogous

#901B5A #901B20 #90501B

triadic

#901B20 #20901B #1B2090

tetradic

#901B20 #5A901B #1B908B #501B90

square

#901B20 #5A901B #1B908B #501B90

split-complementary

#901B20 #1B9050 #1B5A90

monochromatic

#290809 #5C1115 #901B20 #C4252B #DD494F

Accessibility & contrast

On white

8.89

#901B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#901B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B20

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B20	#FFFFFF	#000000	##FFFFFF
##901B20	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403A1F

Deuteranopia (green-blind)

#5D531B

Tritanopia (blue-blind)

#9F001E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b20;
/* rgb */ color: rgb(144, 27, 32);
/* oklch */ color: oklch(42.7% 0.152 24.7);

Tailwind

colors: {
  custom: {
    50: '#b9645b',
    500: '#901b20',
    950: '#000000',
  },
}

SCSS

$custom: #901b20;
$custom-light: #b9645b;
$custom-dark: #000000;

JSON

{
  "hex": "#901b20",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 32
  },
  "hsl": {
    "h": 357.436,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42701,
    "c": 0.15191,
    "h": 24.7
  },
  "luminance": 0.06817
}

Semantic roles & 50–950 ramp

primary

#901B20

secondary

#48BFBA

accent

#EBE43D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901B20

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

Preview Lab → · Contrast checker → · Palette generator →