#90403F#90403F

#90403F is a mid, moderate red. Relative luminance 0.100; OKLCH L 47.6% C 0.109 H 22.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#90403F
RGB	rgb(144, 64, 63)
HSL	hsl(1, 39%, 41%)
HSV	hsv(1, 56%, 56%)
CMYK	cmyk(0%, 55.6%, 56.3%, 43.5%)
CIE-LAB	lab(37.76, 33.77, 17.13)
CIE-LCH	lch(37.76, 37.87, 26.89°)
OKLab	oklab(47.64% 0.1005 0.0423)
OKLCH	oklch(47.64% 0.109 22.8)
XYZ	xyz(14.2333, 9.9566, 5.8739)
Luminance	0.0995 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90403F #3F8F90

analogous

#903F66 #90403F #90683F

triadic

#90403F #3F9040 #403F90

tetradic

#90403F #66903F #3F8F90 #683F90

square

#90403F #66903F #3F8F90 #683F90

split-complementary

#90403F #3F9068 #3F6690

monochromatic

#3B1A1A #652D2C #90403F #B55857 #C88281

Accessibility & contrast

On white

7.02

#90403F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#90403F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90403F

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90403F	#FFFFFF	#000000	##FFFFFF
##90403F	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3E

Deuteranopia (green-blind)

#675F3D

Tritanopia (blue-blind)

#9D3340

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #90403f;
/* rgb */ color: rgb(144, 64, 63);
/* oklch */ color: oklch(47.6% 0.109 22.8);

Tailwind

colors: {
  custom: {
    50: '#b57774',
    500: '#90403f',
    950: '#000000',
  },
}

SCSS

$custom: #90403f;
$custom-light: #b57774;
$custom-dark: #000000;

JSON

{
  "hex": "#90403f",
  "rgb": {
    "r": 144,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.741,
    "s": 39.13,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47644,
    "c": 0.10902,
    "h": 22.8
  },
  "luminance": 0.09955
}

Semantic roles & 50–950 ramp

primary

#90403F

secondary

#78B2B2

accent

#CECF59

background

#FBF7F7

surface

#F6EDED

border

#D0C8C8

text

#120908

muted

#817B7B

Preview Lab

Preview with #90403F

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

Preview Lab → · Contrast checker → · Palette generator →