#901D2D#901D2D

#901D2D is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.149 H 19.2°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#901D2D
RGB	rgb(144, 29, 45)
HSL	hsl(352, 66%, 34%)
HSV	hsv(352, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 68.7%, 43.5%)
CIE-LAB	lab(31.81, 47.64, 20.84)
CIE-LCH	lch(31.81, 52.00, 23.62°)
OKLab	oklab(43.07% 0.141 0.0491)
OKLCH	oklch(43.07% 0.149 19.2)
XYZ	xyz(12.4160, 6.9994, 3.1794)
Luminance	0.0700 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D2D #1D9080

analogous

#901D67 #901D2D #90471D

triadic

#901D2D #2D901D #1D2D90

tetradic

#901D2D #67901D #1D9080 #471D90

square

#901D2D #67901D #1D9080 #471D90

split-complementary

#901D2D #1D9047 #1D6790

monochromatic

#2A080D #5D131D #901D2D #C3273D #DB4C60

Accessibility & contrast

On white

8.75

#901D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D2D

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D2D	#FFFFFF	#000000	##FFFFFF
##901D2D	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2D

Deuteranopia (green-blind)

#5C5429

Tritanopia (blue-blind)

#9F0024

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901d2d;
/* rgb */ color: rgb(144, 29, 45);
/* oklch */ color: oklch(43.1% 0.149 19.2);

Tailwind

colors: {
  custom: {
    50: '#b86565',
    500: '#901d2d',
    950: '#000000',
  },
}

SCSS

$custom: #901d2d;
$custom-light: #b86565;
$custom-dark: #000000;

JSON

{
  "hex": "#901d2d",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 45
  },
  "hsl": {
    "h": 351.652,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4307,
    "c": 0.14934,
    "h": 19.2
  },
  "luminance": 0.06997
}

Semantic roles & 50–950 ramp

primary

#901D2D

secondary

#4BBDAE

accent

#E9D23E

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130605

muted

#827A7A

Preview Lab

Preview with #901D2D

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

Preview Lab → · Contrast checker → · Palette generator →