#903540#903540

#903540 is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.1% C 0.123 H 16.2°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#903540
RGB	rgb(144, 53, 64)
HSL	hsl(353, 46%, 39%)
HSV	hsv(353, 63%, 56%)
CMYK	cmyk(0%, 63.2%, 55.6%, 43.5%)
CIE-LAB	lab(35.69, 39.37, 13.71)
CIE-LCH	lch(35.69, 41.69, 19.20°)
OKLab	oklab(46.09% 0.1183 0.0343)
OKLCH	oklch(46.09% 0.123 16.2)
XYZ	xyz(13.7013, 8.8474, 5.8357)
Luminance	0.0885 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903540 #359085

analogous

#90356D #903540 #905735

triadic

#903540 #409035 #354090

tetradic

#903540 #6D9035 #359085 #573590

square

#903540 #6D9035 #359085 #573590

split-complementary

#903540 #359057 #356D90

monochromatic

#371418 #63252C #903540 #BB4755 #CC747E

Accessibility & contrast

On white

7.58

#903540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#903540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903540

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903540	#FFFFFF	#000000	##FFFFFF
##903540	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4840

Deuteranopia (green-blind)

#625B3E

Tritanopia (blue-blind)

#9D2539

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #903540;
/* rgb */ color: rgb(144, 53, 64);
/* oklch */ color: oklch(46.1% 0.123 16.2);

Tailwind

colors: {
  custom: {
    50: '#b57174',
    500: '#903540',
    950: '#000000',
  },
}

SCSS

$custom: #903540;
$custom-light: #b57174;
$custom-dark: #000000;

JSON

{
  "hex": "#903540",
  "rgb": {
    "r": 144,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 352.747,
    "s": 46.193,
    "l": 38.627
  },
  "oklch": {
    "l": 0.46087,
    "c": 0.12312,
    "h": 16.2
  },
  "luminance": 0.08846
}

Semantic roles & 50–950 ramp

primary

#903540

secondary

#6DB4AC

accent

#D6C652

background

#FBF7F7

surface

#F6EDED

border

#D0C8C8

text

#120808

muted

#817B7B

Preview Lab

Preview with #903540

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

Preview Lab → · Contrast checker → · Palette generator →