#CB5137#CB5137

#CB5137 is a mid, vivid red. Relative luminance 0.189; OKLCH L 59.1% C 0.161 H 33.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#CB5137
RGB	rgb(203, 81, 55)
HSL	hsl(11, 59%, 51%)
HSV	hsv(11, 73%, 80%)
CMYK	cmyk(0%, 60.1%, 72.9%, 20.4%)
CIE-LAB	lab(50.52, 46.99, 39.59)
CIE-LCH	lch(50.52, 61.45, 40.12°)
OKLab	oklab(59.13% 0.1339 0.0892)
OKLCH	oklch(59.13% 0.161 33.7)
XYZ	xyz(28.2636, 18.8611, 5.7659)
Luminance	0.1886 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB5137 #37B1CB

analogous

#CB3767 #CB5137 #CB9B37

triadic

#CB5137 #37CB51 #5137CB

tetradic

#CB5137 #67CB37 #37B1CB #9B37CB

square

#CB5137 #67CB37 #37B1CB #9B37CB

split-complementary

#CB5137 #37CB9B #3767CB

monochromatic

#6C2A1C #9C3D29 #CB5137 #D87B68 #E4A698

Accessibility & contrast

On white

4.40

#CB5137 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#CB5137 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB5137

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB5137	#FFFFFF	#000000	##000000
##CB5137	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#726734

Deuteranopia (green-blind)

#918233

Tritanopia (blue-blind)

#DF354C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #cb5137;
/* rgb */ color: rgb(203, 81, 55);
/* oklch */ color: oklch(59.1% 0.161 33.7);

Tailwind

colors: {
  custom: {
    50: '#e2866f',
    500: '#cb5137',
    950: '#000000',
  },
}

SCSS

$custom: #cb5137;
$custom-light: #e2866f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb5137",
  "rgb": {
    "r": 203,
    "g": 81,
    "b": 55
  },
  "hsl": {
    "h": 10.541,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59133,
    "c": 0.16086,
    "h": 33.7
  },
  "luminance": 0.18857
}

Semantic roles & 50–950 ramp

primary

#CB5137

secondary

#8EC4D0

accent

#C7E246

background

#FFF8F6

surface

#FEF0EC

border

#D6CBC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB5137

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

Preview Lab → · Contrast checker → · Palette generator →