#901F36#901F36

#901F36 is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.4% C 0.148 H 14.9°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#901F36
RGB	rgb(144, 31, 54)
HSL	hsl(348, 65%, 34%)
HSV	hsv(348, 78%, 56%)
CMYK	cmyk(0%, 78.5%, 62.5%, 43.5%)
CIE-LAB	lab(32.21, 47.55, 15.50)
CIE-LCH	lch(32.21, 50.01, 18.05°)
OKLab	oklab(43.42% 0.1427 0.0378)
OKLCH	oklch(43.42% 0.148 14.9)
XYZ	xyz(12.6588, 7.1775, 4.2081)
Luminance	0.0718 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F36 #1F9079

analogous

#901F6E #901F36 #90411F

triadic

#901F36 #36901F #1F3690

tetradic

#901F36 #6E901F #1F9079 #411F90

square

#901F36 #6E901F #1F9079 #411F90

split-complementary

#901F36 #1F9041 #1F6E90

monochromatic

#2B0910 #5E1423 #901F36 #C22A49 #D9506C

Accessibility & contrast

On white

8.62

#901F36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#901F36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F36

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F36	#FFFFFF	#000000	##FFFFFF
##901F36	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3D36

Deuteranopia (green-blind)

#5C5433

Tritanopia (blue-blind)

#9E0029

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #901f36;
/* rgb */ color: rgb(144, 31, 54);
/* oklch */ color: oklch(43.4% 0.148 14.9);

Tailwind

colors: {
  custom: {
    50: '#b7666c',
    500: '#901f36',
    950: '#000000',
  },
}

SCSS

$custom: #901f36;
$custom-light: #b7666c;
$custom-dark: #000000;

JSON

{
  "hex": "#901f36",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 54
  },
  "hsl": {
    "h": 347.788,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43424,
    "c": 0.14759,
    "h": 14.9
  },
  "luminance": 0.07176
}

Semantic roles & 50–950 ramp

primary

#901F36

secondary

#4EBCA6

accent

#E8C640

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130607

muted

#827A7A

Preview Lab

Preview with #901F36

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

Preview Lab → · Contrast checker → · Palette generator →