#901933#901933

#901933 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.9% C 0.153 H 15.2°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#901933
RGB	rgb(144, 25, 51)
HSL	hsl(347, 70%, 33%)
HSV	hsv(347, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 64.6%, 43.5%)
CIE-LAB	lab(31.50, 49.18, 16.53)
CIE-LCH	lch(31.50, 51.88, 18.58°)
OKLab	oklab(42.88% 0.1473 0.04)
OKLCH	oklch(42.88% 0.153 15.2)
XYZ	xyz(12.4481, 6.8655, 3.8010)
Luminance	0.0686 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901933 #199076

analogous

#90196E #901933 #903B19

triadic

#901933 #339019 #193390

tetradic

#901933 #6E9019 #199076 #3B1990

square

#901933 #6E9019 #199076 #3B1990

split-complementary

#901933 #19903B #196E90

monochromatic

#28070E #5C1021 #901933 #C42245 #DF4566

Accessibility & contrast

On white

8.85

#901933 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901933 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901933

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901933	#FFFFFF	#000000	##FFFFFF
##901933	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)

#3C3A33

Deuteranopia (green-blind)

#5A5330

Tritanopia (blue-blind)

#9E0025

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901933;
/* rgb */ color: rgb(144, 25, 51);
/* oklch */ color: oklch(42.9% 0.153 15.2);

Tailwind

colors: {
  custom: {
    50: '#b8636a',
    500: '#901933',
    950: '#000000',
  },
}

SCSS

$custom: #901933;
$custom-light: #b8636a;
$custom-dark: #000000;

JSON

{
  "hex": "#901933",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 51
  },
  "hsl": {
    "h": 346.891,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4288,
    "c": 0.15264,
    "h": 15.2
  },
  "luminance": 0.06864
}

Semantic roles & 50–950 ramp

primary

#901933

secondary

#45C0A5

accent

#EDC63B

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901933

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

Preview Lab → · Contrast checker → · Palette generator →