#90371C#90371C

#90371C is a mid, vivid red. Relative luminance 0.087; OKLCH L 45.8% C 0.127 H 37.1°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#90371C
RGB	rgb(144, 55, 28)
HSL	hsl(14, 67%, 34%)
HSV	hsv(14, 81%, 56%)
CMYK	cmyk(0%, 61.8%, 80.6%, 43.5%)
CIE-LAB	lab(35.49, 36.18, 35.16)
CIE-LCH	lch(35.49, 50.45, 44.18°)
OKLab	oklab(45.76% 0.1014 0.0767)
OKLCH	oklch(45.76% 0.127 37.1)
XYZ	xyz(13.0788, 8.7473, 2.0981)
Luminance	0.0875 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90371C #1C7590

analogous

#901C3B #90371C #90711C

triadic

#90371C #1C9037 #371C90

tetradic

#90371C #3B901C #1C7590 #711C90

square

#90371C #3B901C #1C7590 #711C90

split-complementary

#90371C #1C9071 #1C3B90

monochromatic

#2A1008 #5D2312 #90371C #C34B26 #DC6C4A

Accessibility & contrast

On white

7.64

#90371C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#90371C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90371C

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90371C	#FFFFFF	#000000	##FFFFFF
##90371C	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504718

Deuteranopia (green-blind)

#665B19

Tritanopia (blue-blind)

#9F2131

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #90371c;
/* rgb */ color: rgb(144, 55, 28);
/* oklch */ color: oklch(45.8% 0.127 37.1);

Tailwind

colors: {
  custom: {
    50: '#b8715a',
    500: '#90371c',
    950: '#000000',
  },
}

SCSS

$custom: #90371c;
$custom-light: #b8715a;
$custom-dark: #000000;

JSON

{
  "hex": "#90371c",
  "rgb": {
    "r": 144,
    "g": 55,
    "b": 28
  },
  "hsl": {
    "h": 13.966,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.4576,
    "c": 0.1271,
    "h": 37.1
  },
  "luminance": 0.08746
}

Semantic roles & 50–950 ramp

primary

#90371C

secondary

#4AA3BE

accent

#C2EA3D

background

#FCF7F5

surface

#F8EDE9

border

#D1C8C5

text

#130804

muted

#827B79

Preview Lab

Preview with #90371C

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

Preview Lab → · Contrast checker → · Palette generator →