#901F35#901F35

#901F35 is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.4% C 0.148 H 15.4°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#901F35
RGB	rgb(144, 31, 53)
HSL	hsl(348, 65%, 34%)
HSV	hsv(348, 78%, 56%)
CMYK	cmyk(0%, 78.5%, 63.2%, 43.5%)
CIE-LAB	lab(32.19, 47.48, 16.12)
CIE-LCH	lch(32.19, 50.15, 18.76°)
OKLab	oklab(43.4% 0.1422 0.0392)
OKLCH	oklch(43.4% 0.148 15.4)
XYZ	xyz(12.6355, 7.1682, 4.0857)
Luminance	0.0717 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F35 #1F907A

analogous

#901F6D #901F35 #90421F

triadic

#901F35 #35901F #1F3590

tetradic

#901F35 #6D901F #1F907A #421F90

square

#901F35 #6D901F #1F907A #421F90

split-complementary

#901F35 #1F9042 #1F6D90

monochromatic

#2B0910 #5E1422 #901F35 #C22A48 #D9506B

Accessibility & contrast

On white

8.63

#901F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#901F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F35

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F35	#FFFFFF	#000000	##FFFFFF
##901F35	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3D35

Deuteranopia (green-blind)

#5C5432

Tritanopia (blue-blind)

#9E0028

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #901f35;
/* rgb */ color: rgb(144, 31, 53);
/* oklch */ color: oklch(43.4% 0.148 15.4);

Tailwind

colors: {
  custom: {
    50: '#b7666c',
    500: '#901f35',
    950: '#000000',
  },
}

SCSS

$custom: #901f35;
$custom-light: #b7666c;
$custom-dark: #000000;

JSON

{
  "hex": "#901f35",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 53
  },
  "hsl": {
    "h": 348.319,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43402,
    "c": 0.14756,
    "h": 15.4
  },
  "luminance": 0.07166
}

Semantic roles & 50–950 ramp

primary

#901F35

secondary

#4EBCA7

accent

#E8C740

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901F35

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

Preview Lab → · Contrast checker → · Palette generator →