#903036#903036

#903036 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.2% C 0.130 H 20.4°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#903036
RGB	rgb(144, 48, 54)
HSL	hsl(356, 50%, 38%)
HSV	hsv(356, 67%, 56%)
CMYK	cmyk(0%, 66.7%, 62.5%, 43.5%)
CIE-LAB	lab(34.62, 40.90, 18.66)
CIE-LCH	lch(34.62, 44.95, 24.53°)
OKLab	oklab(45.22% 0.1214 0.0452)
OKLCH	oklch(45.22% 0.13 20.4)
XYZ	xyz(13.2257, 8.3113, 4.3971)
Luminance	0.0831 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903036 #30908A

analogous

#903066 #903036 #905A30

triadic

#903036 #369030 #303690

tetradic

#903036 #669030 #30908A #5A3090

square

#903036 #669030 #30908A #5A3090

split-complementary

#903036 #30905A #306690

monochromatic

#341114 #622125 #903036 #BE3F47 #CE6C72

Accessibility & contrast

On white

7.89

#903036 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#903036 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903036

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903036	#FFFFFF	#000000	##FFFFFF
##903036	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494536

Deuteranopia (green-blind)

#615933

Tritanopia (blue-blind)

#9E1B33

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #903036;
/* rgb */ color: rgb(144, 48, 54);
/* oklch */ color: oklch(45.2% 0.130 20.4);

Tailwind

colors: {
  custom: {
    50: '#b66e6d',
    500: '#903036',
    950: '#000000',
  },
}

SCSS

$custom: #903036;
$custom-light: #b66e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#903036",
  "rgb": {
    "r": 144,
    "g": 48,
    "b": 54
  },
  "hsl": {
    "h": 356.25,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.45222,
    "c": 0.12953,
    "h": 20.4
  },
  "luminance": 0.0831
}

Semantic roles & 50–950 ramp

primary

#903036

secondary

#66B5B1

accent

#DAD14E

background

#FBF6F6

surface

#F7ECEB

border

#D0C7C6

text

#120707

muted

#817A7A

Preview Lab

Preview with #903036

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

Preview Lab → · Contrast checker → · Palette generator →