#90403C#90403C

#90403C is a mid, moderate red. Relative luminance 0.099; OKLCH L 47.6% C 0.109 H 25.0°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#90403C
RGB	rgb(144, 64, 60)
HSL	hsl(3, 41%, 40%)
HSV	hsv(3, 58%, 56%)
CMYK	cmyk(0%, 55.6%, 58.3%, 43.5%)
CIE-LAB	lab(37.71, 33.52, 18.91)
CIE-LCH	lch(37.71, 38.49, 29.44°)
OKLab	oklab(47.58% 0.0992 0.0462)
OKLCH	oklch(47.58% 0.109 25)
XYZ	xyz(14.1518, 9.9240, 5.4444)
Luminance	0.0992 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90403C #3C8C90

analogous

#903C62 #90403C #906A3C

triadic

#90403C #3C9040 #403C90

tetradic

#90403C #62903C #3C8C90 #6A3C90

square

#90403C #62903C #3C8C90 #6A3C90

split-complementary

#90403C #3C906A #3C6290

monochromatic

#3A1A18 #652D2A #90403C #B75752 #C9817D

Accessibility & contrast

On white

7.04

#90403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#90403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90403C

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90403C	#FFFFFF	#000000	##FFFFFF
##90403C	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3B

Deuteranopia (green-blind)

#675F3A

Tritanopia (blue-blind)

#9D3340

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #90403c;
/* rgb */ color: rgb(144, 64, 60);
/* oklch */ color: oklch(47.6% 0.109 25.0);

Tailwind

colors: {
  custom: {
    50: '#b57771',
    500: '#90403c',
    950: '#000000',
  },
}

SCSS

$custom: #90403c;
$custom-light: #b57771;
$custom-dark: #000000;

JSON

{
  "hex": "#90403c",
  "rgb": {
    "r": 144,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 2.857,
    "s": 41.176,
    "l": 40
  },
  "oklch": {
    "l": 0.4758,
    "c": 0.10946,
    "h": 25
  },
  "luminance": 0.09922
}

Semantic roles & 50–950 ramp

primary

#90403C

secondary

#75B0B3

accent

#CBD157

background

#FBF7F6

surface

#F6EDEC

border

#D0C8C7

text

#120907

muted

#817B7A

Preview Lab

Preview with #90403C

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

Preview Lab → · Contrast checker → · Palette generator →