#901811#901811

#901811 is a dark, vivid red. Relative luminance 0.066; OKLCH L 42.3% C 0.156 H 29.1°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#901811
RGB	rgb(144, 24, 17)
HSL	hsl(3, 79%, 32%)
HSV	hsv(3, 88%, 56%)
CMYK	cmyk(0%, 83.3%, 88.2%, 43.5%)
CIE-LAB	lab(30.94, 48.03, 36.66)
CIE-LCH	lch(30.94, 60.42, 37.35°)
OKLab	oklab(42.32% 0.1361 0.0757)
OKLCH	oklch(42.32% 0.156 29.1)
XYZ	xyz(11.9309, 6.6250, 1.1808)
Luminance	0.0662 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901811 #118990

analogous

#90114A #901811 #905811

triadic

#901811 #119018 #181190

tetradic

#901811 #4A9011 #118990 #581190

square

#901811 #4A9011 #118990 #581190

split-complementary

#901811 #119058 #114A90

monochromatic

#230604 #590F0B #901811 #C72117 #E73E34

Accessibility & contrast

On white

9.03

#901811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#901811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901811

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901811	#FFFFFF	#000000	##FFFFFF
##901811	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40380E

Deuteranopia (green-blind)

#5D5208

Tritanopia (blue-blind)

#9F0018

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901811;
/* rgb */ color: rgb(144, 24, 17);
/* oklch */ color: oklch(42.3% 0.156 29.1);

Tailwind

colors: {
  custom: {
    50: '#ba6251',
    500: '#901811',
    950: '#000000',
  },
}

SCSS

$custom: #901811;
$custom-light: #ba6251;
$custom-dark: #000000;

JSON

{
  "hex": "#901811",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 17
  },
  "hsl": {
    "h": 3.307,
    "s": 78.882,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42316,
    "c": 0.15577,
    "h": 29.1
  },
  "luminance": 0.06623
}

Semantic roles & 50–950 ramp

primary

#901811

secondary

#39BDC4

accent

#EBF532

background

#FCF6F4

surface

#F9EBE7

border

#D2C6C3

text

#140602

muted

#827A78

Preview Lab

Preview with #901811

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

Preview Lab → · Contrast checker → · Palette generator →