#901A2A#901A2A

#901A2A is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.8% C 0.152 H 20.0°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#901A2A
RGB	rgb(144, 26, 42)
HSL	hsl(352, 69%, 33%)
HSV	hsv(352, 82%, 56%)
CMYK	cmyk(0%, 81.9%, 70.8%, 43.5%)
CIE-LAB	lab(31.43, 48.39, 22.31)
CIE-LCH	lch(31.43, 53.28, 24.76°)
OKLab	oklab(42.78% 0.1427 0.0519)
OKLCH	oklch(42.78% 0.152 20)
XYZ	xyz(12.2903, 6.8372, 2.8626)
Luminance	0.0683 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901A2A #1A9080

analogous

#901A65 #901A2A #90451A

triadic

#901A2A #2A901A #1A2A90

tetradic

#901A2A #65901A #1A9080 #451A90

square

#901A2A #65901A #1A9080 #451A90

split-complementary

#901A2A #1A9045 #1A6590

monochromatic

#28070C #5C111B #901A2A #C42339 #DE475B

Accessibility & contrast

On white

8.87

#901A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901A2A

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901A2A	#FFFFFF	#000000	##FFFFFF
##901A2A	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A2A

Deuteranopia (green-blind)

#5C5326

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901a2a;
/* rgb */ color: rgb(144, 26, 42);
/* oklch */ color: oklch(42.8% 0.152 20.0);

Tailwind

colors: {
  custom: {
    50: '#b86463',
    500: '#901a2a',
    950: '#000000',
  },
}

SCSS

$custom: #901a2a;
$custom-light: #b86463;
$custom-dark: #000000;

JSON

{
  "hex": "#901a2a",
  "rgb": {
    "r": 144,
    "g": 26,
    "b": 42
  },
  "hsl": {
    "h": 351.864,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42778,
    "c": 0.15189,
    "h": 20
  },
  "luminance": 0.06835
}

Semantic roles & 50–950 ramp

primary

#901A2A

secondary

#47BFAF

accent

#ECD43C

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901A2A

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

Preview Lab → · Contrast checker → · Palette generator →