#90403A#90403A

#90403A is a mid, moderate red. Relative luminance 0.099; OKLCH L 47.5% C 0.110 H 26.4°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#90403A
RGB	rgb(144, 64, 58)
HSL	hsl(4, 43%, 40%)
HSV	hsv(4, 60%, 56%)
CMYK	cmyk(0%, 55.6%, 59.7%, 43.5%)
CIE-LAB	lab(37.67, 33.36, 20.10)
CIE-LCH	lch(37.67, 38.95, 31.08°)
OKLab	oklab(47.54% 0.0984 0.0488)
OKLCH	oklch(47.54% 0.11 26.4)
XYZ	xyz(14.0999, 9.9033, 5.1712)
Luminance	0.0990 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90403A #3A8A90

analogous

#903A5F #90403A #906B3A

triadic

#90403A #3A9040 #403A90

tetradic

#90403A #5F903A #3A8A90 #6B3A90

square

#90403A #5F903A #3A8A90 #6B3A90

split-complementary

#90403A #3A906B #3A5F90

monochromatic

#391917 #642D28 #90403A #B8564F #CA807B

Accessibility & contrast

On white

7.05

#90403A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#90403A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90403A

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90403A	#FFFFFF	#000000	##FFFFFF
##90403A	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E39

Deuteranopia (green-blind)

#675F38

Tritanopia (blue-blind)

#9D323F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #90403a;
/* rgb */ color: rgb(144, 64, 58);
/* oklch */ color: oklch(47.5% 0.110 26.4);

Tailwind

colors: {
  custom: {
    50: '#b57770',
    500: '#90403a',
    950: '#000000',
  },
}

SCSS

$custom: #90403a;
$custom-light: #b57770;
$custom-dark: #000000;

JSON

{
  "hex": "#90403a",
  "rgb": {
    "r": 144,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 4.186,
    "s": 42.574,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47539,
    "c": 0.10984,
    "h": 26.4
  },
  "luminance": 0.09902
}

Semantic roles & 50–950 ramp

primary

#90403A

secondary

#73AFB3

accent

#CAD255

background

#FBF7F6

surface

#F6EDEC

border

#D0C8C7

text

#120907

muted

#817B7A

Preview Lab

Preview with #90403A

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

Preview Lab → · Contrast checker → · Palette generator →