#901B29#901B29

#901B29 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 20.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#901B29
RGB	rgb(144, 27, 41)
HSL	hsl(353, 68%, 34%)
HSV	hsv(353, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 71.5%, 43.5%)
CIE-LAB	lab(31.52, 48.04, 23.06)
CIE-LCH	lch(31.52, 53.29, 25.64°)
OKLab	oklab(42.84% 0.1414 0.0534)
OKLCH	oklch(42.84% 0.151 20.7)
XYZ	xyz(12.2952, 6.8752, 2.7770)
Luminance	0.0687 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B29 #1B9082

analogous

#901B63 #901B29 #90481B

triadic

#901B29 #29901B #1B2990

tetradic

#901B29 #63901B #1B9082 #481B90

square

#901B29 #63901B #1B9082 #481B90

split-complementary

#901B29 #1B9048 #1B6390

monochromatic

#29080C #5C111A #901B29 #C42538 #DD495A

Accessibility & contrast

On white

8.84

#901B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B29

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B29	#FFFFFF	#000000	##FFFFFF
##901B29	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3A29

Deuteranopia (green-blind)

#5C5325

Tritanopia (blue-blind)

#9F0022

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b29;
/* rgb */ color: rgb(144, 27, 41);
/* oklch */ color: oklch(42.8% 0.151 20.7);

Tailwind

colors: {
  custom: {
    50: '#b86462',
    500: '#901b29',
    950: '#000000',
  },
}

SCSS

$custom: #901b29;
$custom-light: #b86462;
$custom-dark: #000000;

JSON

{
  "hex": "#901b29",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 352.821,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42838,
    "c": 0.15115,
    "h": 20.7
  },
  "luminance": 0.06873
}

Semantic roles & 50–950 ramp

primary

#901B29

secondary

#48BFB0

accent

#EBD63D

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901B29

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

Preview Lab → · Contrast checker → · Palette generator →