#903538#903538

#903538 is a mid, vivid red. Relative luminance 0.088; OKLCH L 45.9% C 0.123 H 21.4°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#903538
RGB	rgb(144, 53, 56)
HSL	hsl(358, 46%, 39%)
HSV	hsv(358, 63%, 56%)
CMYK	cmyk(0%, 63.2%, 61.1%, 43.5%)
CIE-LAB	lab(35.52, 38.73, 18.57)
CIE-LCH	lch(35.52, 42.95, 25.62°)
OKLab	oklab(45.91% 0.1149 0.0451)
OKLCH	oklch(45.91% 0.123 21.4)
XYZ	xyz(13.4898, 8.7628, 4.7216)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903538 #35908D

analogous

#903565 #903538 #905F35

triadic

#903538 #389035 #353890

tetradic

#903538 #659035 #35908D #5F3590

square

#903538 #659035 #35908D #5F3590

split-complementary

#903538 #35905F #356590

monochromatic

#371415 #632527 #903538 #BB474B #CC7477

Accessibility & contrast

On white

7.63

#903538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#903538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903538

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903538	#FFFFFF	#000000	##FFFFFF
##903538	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4737

Deuteranopia (green-blind)

#635B36

Tritanopia (blue-blind)

#9E2337

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #903538;
/* rgb */ color: rgb(144, 53, 56);
/* oklch */ color: oklch(45.9% 0.123 21.4);

Tailwind

colors: {
  custom: {
    50: '#b6716e',
    500: '#903538',
    950: '#000000',
  },
}

SCSS

$custom: #903538;
$custom-light: #b6716e;
$custom-dark: #000000;

JSON

{
  "hex": "#903538",
  "rgb": {
    "r": 144,
    "g": 53,
    "b": 56
  },
  "hsl": {
    "h": 358.022,
    "s": 46.193,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4591,
    "c": 0.12345,
    "h": 21.4
  },
  "luminance": 0.08761
}

Semantic roles & 50–950 ramp

primary

#903538

secondary

#6DB4B2

accent

#D6D152

background

#FBF7F6

surface

#F7EDEB

border

#D0C8C6

text

#120807

muted

#817B7A

Preview Lab

Preview with #903538

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

Preview Lab → · Contrast checker → · Palette generator →