#901D33#901D33

#901D33 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.2% C 0.149 H 16.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#901D33
RGB	rgb(144, 29, 51)
HSL	hsl(349, 66%, 34%)
HSV	hsv(349, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 64.6%, 43.5%)
CIE-LAB	lab(31.92, 48.00, 17.08)
CIE-LCH	lch(31.92, 50.94, 19.59°)
OKLab	oklab(43.19% 0.1435 0.0412)
OKLCH	oklch(43.19% 0.149 16)
XYZ	xyz(12.5398, 7.0489, 3.8316)
Luminance	0.0705 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D33 #1D907A

analogous

#901D6D #901D33 #90411D

triadic

#901D33 #33901D #1D3390

tetradic

#901D33 #6D901D #1D907A #411D90

square

#901D33 #6D901D #1D907A #411D90

split-complementary

#901D33 #1D9041 #1D6D90

monochromatic

#2A080F #5D1321 #901D33 #C32745 #DB4C68

Accessibility & contrast

On white

8.72

#901D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#901D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D33

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D33	#FFFFFF	#000000	##FFFFFF
##901D33	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3C33

Deuteranopia (green-blind)

#5B5430

Tritanopia (blue-blind)

#9E0027

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901d33;
/* rgb */ color: rgb(144, 29, 51);
/* oklch */ color: oklch(43.2% 0.149 16.0);

Tailwind

colors: {
  custom: {
    50: '#b7656a',
    500: '#901d33',
    950: '#000000',
  },
}

SCSS

$custom: #901d33;
$custom-light: #b7656a;
$custom-dark: #000000;

JSON

{
  "hex": "#901d33",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 348.522,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4319,
    "c": 0.1493,
    "h": 16
  },
  "luminance": 0.07047
}

Semantic roles & 50–950 ramp

primary

#901D33

secondary

#4BBDA8

accent

#E9C93E

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901D33

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

Preview Lab → · Contrast checker → · Palette generator →