#903539#903539

#903539 is a mid, vivid red. Relative luminance 0.088; OKLCH L 45.9% C 0.123 H 20.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#903539
RGB	rgb(144, 53, 57)
HSL	hsl(357, 46%, 39%)
HSV	hsv(357, 63%, 56%)
CMYK	cmyk(0%, 63.2%, 60.4%, 43.5%)
CIE-LAB	lab(35.54, 38.80, 17.96)
CIE-LCH	lch(35.54, 42.76, 24.84°)
OKLab	oklab(45.93% 0.1153 0.0438)
OKLCH	oklch(45.93% 0.123 20.8)
XYZ	xyz(13.5145, 8.7727, 4.8517)
Luminance	0.0877 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903539 #35908C

analogous

#903566 #903539 #905E35

triadic

#903539 #399035 #353990

tetradic

#903539 #669035 #35908C #5E3590

square

#903539 #669035 #35908C #5E3590

split-complementary

#903539 #35905E #356690

monochromatic

#371416 #632527 #903539 #BB474C #CC7478

Accessibility & contrast

On white

7.62

#903539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#903539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903539

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903539	#FFFFFF	#000000	##FFFFFF
##903539	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4839

Deuteranopia (green-blind)

#635B37

Tritanopia (blue-blind)

#9E2437

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #903539;
/* rgb */ color: rgb(144, 53, 57);
/* oklch */ color: oklch(45.9% 0.123 20.8);

Tailwind

colors: {
  custom: {
    50: '#b6716f',
    500: '#903539',
    950: '#000000',
  },
}

SCSS

$custom: #903539;
$custom-light: #b6716f;
$custom-dark: #000000;

JSON

{
  "hex": "#903539",
  "rgb": {
    "r": 144,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 357.363,
    "s": 46.193,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45931,
    "c": 0.12337,
    "h": 20.8
  },
  "luminance": 0.08771
}

Semantic roles & 50–950 ramp

primary

#903539

secondary

#6DB4B1

accent

#D6D052

background

#FBF7F6

surface

#F7EDEC

border

#D0C8C7

text

#120807

muted

#817B7A

Preview Lab

Preview with #903539

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

Preview Lab → · Contrast checker → · Palette generator →