#901923#901923

#901923 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.153 H 23.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#901923
RGB	rgb(144, 25, 35)
HSL	hsl(355, 70%, 33%)
HSV	hsv(355, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 75.7%, 43.5%)
CIE-LAB	lab(31.23, 48.34, 26.52)
CIE-LCH	lch(31.23, 55.14, 28.75°)
OKLab	oklab(42.59% 0.141 0.0598)
OKLCH	oklch(42.59% 0.153 23)
XYZ	xyz(12.1540, 6.7478, 2.2523)
Luminance	0.0675 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901923 #199086

analogous

#90195E #901923 #904A19

triadic

#901923 #239019 #192390

tetradic

#901923 #5E9019 #199086 #4A1990

square

#901923 #5E9019 #199086 #4A1990

split-complementary

#901923 #19904A #195E90

monochromatic

#28070A #5C1016 #901923 #C42230 #DF4552

Accessibility & contrast

On white

8.94

#901923 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901923 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901923

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901923	#FFFFFF	#000000	##FFFFFF
##901923	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3922

Deuteranopia (green-blind)

#5C531F

Tritanopia (blue-blind)

#9F001E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901923;
/* rgb */ color: rgb(144, 25, 35);
/* oklch */ color: oklch(42.6% 0.153 23.0);

Tailwind

colors: {
  custom: {
    50: '#b9635e',
    500: '#901923',
    950: '#000000',
  },
}

SCSS

$custom: #901923;
$custom-light: #b9635e;
$custom-dark: #000000;

JSON

{
  "hex": "#901923",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 35
  },
  "hsl": {
    "h": 354.958,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4259,
    "c": 0.15311,
    "h": 23
  },
  "luminance": 0.06746
}

Semantic roles & 50–950 ramp

primary

#901923

secondary

#45C0B5

accent

#EDDE3B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901923

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

Preview Lab → · Contrast checker → · Palette generator →