#901E37#901E37

#901E37 is a dark, vivid red. Relative luminance 0.071; OKLCH L 43.4% C 0.149 H 14.1°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#901E37
RGB	rgb(144, 30, 55)
HSL	hsl(347, 66%, 34%)
HSV	hsv(347, 79%, 56%)
CMYK	cmyk(0%, 79.2%, 61.8%, 43.5%)
CIE-LAB	lab(32.11, 47.94, 14.72)
CIE-LCH	lch(32.11, 50.15, 17.06°)
OKLab	oklab(43.36% 0.1441 0.0361)
OKLCH	oklch(43.36% 0.149 14.1)
XYZ	xyz(12.6568, 7.1355, 4.3245)
Luminance	0.0713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901E37 #1E9077

analogous

#901E70 #901E37 #903E1E

triadic

#901E37 #37901E #1E3790

tetradic

#901E37 #70901E #1E9077 #3E1E90

square

#901E37 #70901E #1E9077 #3E1E90

split-complementary

#901E37 #1E903E #1E7090

monochromatic

#2B0910 #5D1324 #901E37 #C3294A #DA4E6D

Accessibility & contrast

On white

8.65

#901E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#901E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901E37

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901E37	#FFFFFF	#000000	##FFFFFF
##901E37	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D37

Deuteranopia (green-blind)

#5B5434

Tritanopia (blue-blind)

#9E0029

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #901e37;
/* rgb */ color: rgb(144, 30, 55);
/* oklch */ color: oklch(43.4% 0.149 14.1);

Tailwind

colors: {
  custom: {
    50: '#b7656d',
    500: '#901e37',
    950: '#000000',
  },
}

SCSS

$custom: #901e37;
$custom-light: #b7656d;
$custom-dark: #000000;

JSON

{
  "hex": "#901e37",
  "rgb": {
    "r": 144,
    "g": 30,
    "b": 55
  },
  "hsl": {
    "h": 346.842,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43361,
    "c": 0.14857,
    "h": 14.1
  },
  "luminance": 0.07134
}

Semantic roles & 50–950 ramp

primary

#901E37

secondary

#4DBDA4

accent

#E8C33F

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130607

muted

#827A7A

Preview Lab

Preview with #901E37

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

Preview Lab → · Contrast checker → · Palette generator →