#901A33#901A33

#901A33 is a dark, vivid red. Relative luminance 0.069; OKLCH L 43.0% C 0.152 H 15.4°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#901A33
RGB	rgb(144, 26, 51)
HSL	hsl(347, 69%, 33%)
HSV	hsv(347, 82%, 56%)
CMYK	cmyk(0%, 81.9%, 64.6%, 43.5%)
CIE-LAB	lab(31.60, 48.90, 16.66)
CIE-LCH	lch(31.60, 51.66, 18.82°)
OKLab	oklab(42.95% 0.1464 0.0403)
OKLCH	oklch(42.95% 0.152 15.4)
XYZ	xyz(12.4699, 6.9090, 3.8083)
Luminance	0.0691 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901A33 #1A9077

analogous

#901A6E #901A33 #903C1A

triadic

#901A33 #33901A #1A3390

tetradic

#901A33 #6E901A #1A9077 #3C1A90

square

#901A33 #6E901A #1A9077 #3C1A90

split-complementary

#901A33 #1A903C #1A6E90

monochromatic

#28070E #5C1121 #901A33 #C42345 #DE4767

Accessibility & contrast

On white

8.82

#901A33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#901A33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901A33

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901A33	#FFFFFF	#000000	##FFFFFF
##901A33	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B33

Deuteranopia (green-blind)

#5B5330

Tritanopia (blue-blind)

#9E0025

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901a33;
/* rgb */ color: rgb(144, 26, 51);
/* oklch */ color: oklch(43.0% 0.152 15.4);

Tailwind

colors: {
  custom: {
    50: '#b8646a',
    500: '#901a33',
    950: '#000000',
  },
}

SCSS

$custom: #901a33;
$custom-light: #b8646a;
$custom-dark: #000000;

JSON

{
  "hex": "#901a33",
  "rgb": {
    "r": 144,
    "g": 26,
    "b": 51
  },
  "hsl": {
    "h": 347.288,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42954,
    "c": 0.15184,
    "h": 15.4
  },
  "luminance": 0.06907
}

Semantic roles & 50–950 ramp

primary

#901A33

secondary

#47BFA6

accent

#ECC73C

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901A33

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

Preview Lab → · Contrast checker → · Palette generator →