#901C39#901C39

#901C39 is a dark, vivid red. Relative luminance 0.071; OKLCH L 43.2% C 0.151 H 12.5°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#901C39
RGB	rgb(144, 28, 57)
HSL	hsl(345, 67%, 34%)
HSV	hsv(345, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 60.4%, 43.5%)
CIE-LAB	lab(31.94, 48.70, 13.17)
CIE-LCH	lch(31.94, 50.45, 15.13°)
OKLab	oklab(43.25% 0.147 0.0326)
OKLCH	oklch(43.25% 0.151 12.5)
XYZ	xyz(12.6567, 7.0571, 4.5658)
Luminance	0.0706 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C39 #1C9073

analogous

#901C73 #901C39 #90391C

triadic

#901C39 #39901C #1C3990

tetradic

#901C39 #73901C #1C9073 #391C90

square

#901C39 #73901C #1C9073 #391C90

split-complementary

#901C39 #1C9039 #1C7390

monochromatic

#2A0810 #5D1225 #901C39 #C3264D #DC4A6F

Accessibility & contrast

On white

8.71

#901C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#901C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C39

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C39	#FFFFFF	#000000	##FFFFFF
##901C39	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3C39

Deuteranopia (green-blind)

#5A5436

Tritanopia (blue-blind)

#9E0029

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901c39;
/* rgb */ color: rgb(144, 28, 57);
/* oklch */ color: oklch(43.2% 0.151 12.5);

Tailwind

colors: {
  custom: {
    50: '#b7656f',
    500: '#901c39',
    950: '#000000',
  },
}

SCSS

$custom: #901c39;
$custom-light: #b7656f;
$custom-dark: #000000;

JSON

{
  "hex": "#901c39",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 57
  },
  "hsl": {
    "h": 345,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43245,
    "c": 0.15053,
    "h": 12.5
  },
  "luminance": 0.07055
}

Semantic roles & 50–950 ramp

primary

#901C39

secondary

#4ABEA1

accent

#EABF3D

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#130607

muted

#827A7A

Preview Lab

Preview with #901C39

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

Preview Lab → · Contrast checker → · Palette generator →