#901A23#901A23

#901A23 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.152 H 23.2°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#901A23
RGB	rgb(144, 26, 35)
HSL	hsl(355, 69%, 33%)
HSV	hsv(355, 82%, 56%)
CMYK	cmyk(0%, 81.9%, 75.7%, 43.5%)
CIE-LAB	lab(31.33, 48.06, 26.64)
CIE-LCH	lch(31.33, 54.94, 29.00°)
OKLab	oklab(42.67% 0.14 0.0601)
OKLCH	oklch(42.67% 0.152 23.2)
XYZ	xyz(12.1758, 6.7914, 2.2595)
Luminance	0.0679 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901A23 #1A9087

analogous

#901A5E #901A23 #904C1A

triadic

#901A23 #23901A #1A2390

tetradic

#901A23 #5E901A #1A9087 #4C1A90

square

#901A23 #5E901A #1A9087 #4C1A90

split-complementary

#901A23 #1A904C #1A5E90

monochromatic

#28070A #5C1116 #901A23 #C42330 #DE4752

Accessibility & contrast

On white

8.91

#901A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#901A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901A23

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901A23	#FFFFFF	#000000	##FFFFFF
##901A23	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3A22

Deuteranopia (green-blind)

#5C531F

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901a23;
/* rgb */ color: rgb(144, 26, 35);
/* oklch */ color: oklch(42.7% 0.152 23.2);

Tailwind

colors: {
  custom: {
    50: '#b9635e',
    500: '#901a23',
    950: '#000000',
  },
}

SCSS

$custom: #901a23;
$custom-light: #b9635e;
$custom-dark: #000000;

JSON

{
  "hex": "#901a23",
  "rgb": {
    "r": 144,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 355.424,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42665,
    "c": 0.15237,
    "h": 23.2
  },
  "luminance": 0.06789
}

Semantic roles & 50–950 ramp

primary

#901A23

secondary

#47BFB6

accent

#ECDF3C

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901A23

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

Preview Lab → · Contrast checker → · Palette generator →