#CB4D37#CB4D37

#CB4D37 is a mid, vivid red. Relative luminance 0.183; OKLCH L 58.6% C 0.165 H 32.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#CB4D37
RGB	rgb(203, 77, 55)
HSL	hsl(9, 59%, 51%)
HSV	hsv(9, 73%, 80%)
CMYK	cmyk(0%, 62.1%, 72.9%, 20.4%)
CIE-LAB	lab(49.84, 48.81, 38.83)
CIE-LCH	lch(49.84, 62.37, 38.51°)
OKLab	oklab(58.62% 0.1395 0.0876)
OKLCH	oklch(58.62% 0.165 32.1)
XYZ	xyz(27.9750, 18.2840, 5.6698)
Luminance	0.1828 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4D37 #37B5CB

analogous

#CB376B #CB4D37 #CB9737

triadic

#CB4D37 #37CB4D #4D37CB

tetradic

#CB4D37 #6BCB37 #37B5CB #9737CB

square

#CB4D37 #6BCB37 #37B5CB #9737CB

split-complementary

#CB4D37 #37CB97 #376BCB

monochromatic

#6C281C #9C3A29 #CB4D37 #D87868 #E4A398

Accessibility & contrast

On white

4.51

#CB4D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#CB4D37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4D37

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4D37	#FFFFFF	#000000	##000000
##CB4D37	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#706534

Deuteranopia (green-blind)

#8F8133

Tritanopia (blue-blind)

#DF2F49

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #cb4d37;
/* rgb */ color: rgb(203, 77, 55);
/* oklch */ color: oklch(58.6% 0.165 32.1);

Tailwind

colors: {
  custom: {
    50: '#e3846f',
    500: '#cb4d37',
    950: '#000000',
  },
}

SCSS

$custom: #cb4d37;
$custom-light: #e3846f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4d37",
  "rgb": {
    "r": 203,
    "g": 77,
    "b": 55
  },
  "hsl": {
    "h": 8.919,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58616,
    "c": 0.1647,
    "h": 32.1
  },
  "luminance": 0.1828
}

Semantic roles & 50–950 ramp

primary

#CB4D37

secondary

#8EC6D0

accent

#CBE246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4D37

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

Preview Lab → · Contrast checker → · Palette generator →