#901B2E#901B2E

#901B2E is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.9% C 0.151 H 18.2°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#901B2E
RGB	rgb(144, 27, 46)
HSL	hsl(350, 68%, 34%)
HSV	hsv(350, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 68.1%, 43.5%)
CIE-LAB	lab(31.61, 48.31, 19.94)
CIE-LCH	lch(31.61, 52.26, 22.43°)
OKLab	oklab(42.93% 0.1434 0.0472)
OKLCH	oklch(42.93% 0.151 18.2)
XYZ	xyz(12.3881, 6.9123, 3.2662)
Luminance	0.0691 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B2E #1B907D

analogous

#901B68 #901B2E #90421B

triadic

#901B2E #2E901B #1B2E90

tetradic

#901B2E #68901B #1B907D #421B90

square

#901B2E #68901B #1B907D #421B90

split-complementary

#901B2E #1B9042 #1B6890

monochromatic

#29080D #5C111E #901B2E #C4253E #DD4961

Accessibility & contrast

On white

8.82

#901B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#901B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B2E

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B2E	#FFFFFF	#000000	##FFFFFF
##901B2E	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3B2E

Deuteranopia (green-blind)

#5B532A

Tritanopia (blue-blind)

#9F0023

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b2e;
/* rgb */ color: rgb(144, 27, 46);
/* oklch */ color: oklch(42.9% 0.151 18.2);

Tailwind

colors: {
  custom: {
    50: '#b86466',
    500: '#901b2e',
    950: '#000000',
  },
}

SCSS

$custom: #901b2e;
$custom-light: #b86466;
$custom-dark: #000000;

JSON

{
  "hex": "#901b2e",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 350.256,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42928,
    "c": 0.15097,
    "h": 18.2
  },
  "luminance": 0.0691
}

Semantic roles & 50–950 ramp

primary

#901B2E

secondary

#48BFAB

accent

#EBCF3D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901B2E

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

Preview Lab → · Contrast checker → · Palette generator →