#901B34#901B34

#901B34 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.151 H 15.1°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#901B34
RGB	rgb(144, 27, 52)
HSL	hsl(347, 68%, 34%)
HSV	hsv(347, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 63.9%, 43.5%)
CIE-LAB	lab(31.72, 48.67, 16.17)
CIE-LCH	lch(31.72, 51.28, 18.38°)
OKLab	oklab(43.05% 0.1459 0.0392)
OKLCH	oklch(43.05% 0.151 15.1)
XYZ	xyz(12.5147, 6.9630, 3.9332)
Luminance	0.0696 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B34 #1B9077

analogous

#901B6E #901B34 #903C1B

triadic

#901B34 #34901B #1B3490

tetradic

#901B34 #6E901B #1B9077 #3C1B90

square

#901B34 #6E901B #1B9077 #3C1B90

split-complementary

#901B34 #1B903C #1B6E90

monochromatic

#29080F #5C1121 #901B34 #C42547 #DD4968

Accessibility & contrast

On white

8.78

#901B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#901B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B34

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B34	#FFFFFF	#000000	##FFFFFF
##901B34	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B34

Deuteranopia (green-blind)

#5B5331

Tritanopia (blue-blind)

#9E0026

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901b34;
/* rgb */ color: rgb(144, 27, 52);
/* oklch */ color: oklch(43.1% 0.151 15.1);

Tailwind

colors: {
  custom: {
    50: '#b7646b',
    500: '#901b34',
    950: '#000000',
  },
}

SCSS

$custom: #901b34;
$custom-light: #b7646b;
$custom-dark: #000000;

JSON

{
  "hex": "#901b34",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 52
  },
  "hsl": {
    "h": 347.179,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43052,
    "c": 0.15104,
    "h": 15.1
  },
  "luminance": 0.06961
}

Semantic roles & 50–950 ramp

primary

#901B34

secondary

#48BFA5

accent

#EBC63D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901B34

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

Preview Lab → · Contrast checker → · Palette generator →