#901D2F#901D2F

#901D2F is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.149 H 18.2°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#901D2F
RGB	rgb(144, 29, 47)
HSL	hsl(351, 66%, 34%)
HSV	hsv(351, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 67.4%, 43.5%)
CIE-LAB	lab(31.84, 47.75, 19.59)
CIE-LCH	lch(31.84, 51.61, 22.30°)
OKLab	oklab(43.11% 0.1419 0.0465)
OKLCH	oklch(43.11% 0.149 18.2)
XYZ	xyz(12.4554, 7.0152, 3.3870)
Luminance	0.0701 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D2F #1D907E

analogous

#901D69 #901D2F #90451D

triadic

#901D2F #2F901D #1D2F90

tetradic

#901D2F #69901D #1D907E #451D90

square

#901D2F #69901D #1D907E #451D90

split-complementary

#901D2F #1D9045 #1D6990

monochromatic

#2A080E #5D131E #901D2F #C32740 #DB4C63

Accessibility & contrast

On white

8.74

#901D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D2F

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D2F	#FFFFFF	#000000	##FFFFFF
##901D2F	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2F

Deuteranopia (green-blind)

#5C542C

Tritanopia (blue-blind)

#9E0025

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901d2f;
/* rgb */ color: rgb(144, 29, 47);
/* oklch */ color: oklch(43.1% 0.149 18.2);

Tailwind

colors: {
  custom: {
    50: '#b86567',
    500: '#901d2f',
    950: '#000000',
  },
}

SCSS

$custom: #901d2f;
$custom-light: #b86567;
$custom-dark: #000000;

JSON

{
  "hex": "#901d2f",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 47
  },
  "hsl": {
    "h": 350.609,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43108,
    "c": 0.14929,
    "h": 18.2
  },
  "luminance": 0.07013
}

Semantic roles & 50–950 ramp

primary

#901D2F

secondary

#4BBDAC

accent

#E9CF3E

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901D2F

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

Preview Lab → · Contrast checker → · Palette generator →