#90271C#90271C

#90271C is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.8% C 0.142 H 29.8°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#90271C
RGB	rgb(144, 39, 28)
HSL	hsl(6, 67%, 34%)
HSV	hsv(6, 81%, 56%)
CMYK	cmyk(0%, 72.9%, 80.6%, 43.5%)
CIE-LAB	lab(32.85, 43.31, 32.48)
CIE-LCH	lch(32.85, 54.14, 36.87°)
OKLab	oklab(43.77% 0.1235 0.0708)
OKLCH	oklch(43.77% 0.142 29.8)
XYZ	xyz(12.4382, 7.4661, 1.8846)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90271C #1C8590

analogous

#901C4B #90271C #90611C

triadic

#90271C #1C9027 #271C90

tetradic

#90271C #4B901C #1C8590 #611C90

square

#90271C #4B901C #1C8590 #611C90

split-complementary

#90271C #1C9061 #1C4B90

monochromatic

#2A0B08 #5D1912 #90271C #C33526 #DC584A

Accessibility & contrast

On white

8.42

#90271C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#90271C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90271C

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90271C	#FFFFFF	#000000	##FFFFFF
##90271C	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1A

Deuteranopia (green-blind)

#605617

Tritanopia (blue-blind)

#9F0025

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90271c;
/* rgb */ color: rgb(144, 39, 28);
/* oklch */ color: oklch(43.8% 0.142 29.8);

Tailwind

colors: {
  custom: {
    50: '#b96959',
    500: '#90271c',
    950: '#000000',
  },
}

SCSS

$custom: #90271c;
$custom-light: #b96959;
$custom-dark: #000000;

JSON

{
  "hex": "#90271c",
  "rgb": {
    "r": 144,
    "g": 39,
    "b": 28
  },
  "hsl": {
    "h": 5.69,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43769,
    "c": 0.14237,
    "h": 29.8
  },
  "luminance": 0.07464
}

Semantic roles & 50–950 ramp

primary

#90271C

secondary

#4AB3BE

accent

#DAEA3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130703

muted

#827A78

Preview Lab

Preview with #90271C

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

Preview Lab → · Contrast checker → · Palette generator →