#903728#903728

#903728 is a mid, vivid red. Relative luminance 0.088; OKLCH L 45.9% C 0.124 H 31.7°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#903728
RGB	rgb(144, 55, 40)
HSL	hsl(9, 57%, 36%)
HSV	hsv(9, 72%, 56%)
CMYK	cmyk(0%, 61.8%, 72.2%, 43.5%)
CIE-LAB	lab(35.63, 36.73, 28.54)
CIE-LCH	lch(35.63, 46.51, 37.84°)
OKLab	oklab(45.91% 0.1055 0.0653)
OKLCH	oklch(45.91% 0.124 31.7)
XYZ	xyz(13.2521, 8.8167, 3.0110)
Luminance	0.0882 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903728 #288190

analogous

#90284D #903728 #906B28

triadic

#903728 #289037 #372890

tetradic

#903728 #4D9028 #288190 #6B2890

square

#903728 #4D9028 #288190 #6B2890

split-complementary

#903728 #28906B #284D90

monochromatic

#30120D #60251B #903728 #C04935 #D37060

Accessibility & contrast

On white

7.60

#903728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#903728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903728

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903728	#FFFFFF	#000000	##FFFFFF
##903728	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4826

Deuteranopia (green-blind)

#655B25

Tritanopia (blue-blind)

#9E2334

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #903728;
/* rgb */ color: rgb(144, 55, 40);
/* oklch */ color: oklch(45.9% 0.124 31.7);

Tailwind

colors: {
  custom: {
    50: '#b77162',
    500: '#903728',
    950: '#000000',
  },
}

SCSS

$custom: #903728;
$custom-light: #b77162;
$custom-dark: #000000;

JSON

{
  "hex": "#903728",
  "rgb": {
    "r": 144,
    "g": 55,
    "b": 40
  },
  "hsl": {
    "h": 8.654,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45906,
    "c": 0.12404,
    "h": 31.7
  },
  "luminance": 0.08815
}

Semantic roles & 50–950 ramp

primary

#903728

secondary

#5CABB8

accent

#CAE048

background

#FCF7F5

surface

#F8EDEA

border

#D1C8C6

text

#120805

muted

#817B79

Preview Lab

Preview with #903728

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

Preview Lab → · Contrast checker → · Palette generator →