#CB4F37#CB4F37

#CB4F37 is a mid, vivid red. Relative luminance 0.186; OKLCH L 58.9% C 0.163 H 32.9°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#CB4F37
RGB	rgb(203, 79, 55)
HSL	hsl(10, 59%, 51%)
HSV	hsv(10, 73%, 80%)
CMYK	cmyk(0%, 61.1%, 72.9%, 20.4%)
CIE-LAB	lab(50.18, 47.91, 39.21)
CIE-LCH	lch(50.18, 61.90, 39.30°)
OKLab	oklab(58.87% 0.1367 0.0884)
OKLCH	oklch(58.87% 0.163 32.9)
XYZ	xyz(28.1171, 18.5682, 5.7171)
Luminance	0.1856 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4F37 #37B3CB

analogous

#CB3769 #CB4F37 #CB9937

triadic

#CB4F37 #37CB4F #4F37CB

tetradic

#CB4F37 #69CB37 #37B3CB #9937CB

square

#CB4F37 #69CB37 #37B3CB #9937CB

split-complementary

#CB4F37 #37CB99 #3769CB

monochromatic

#6C291C #9C3B29 #CB4F37 #D87A68 #E4A498

Accessibility & contrast

On white

4.46

#CB4F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#CB4F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4F37

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4F37	#FFFFFF	#000000	##000000
##CB4F37	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#716634

Deuteranopia (green-blind)

#908233

Tritanopia (blue-blind)

#DF324A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #cb4f37;
/* rgb */ color: rgb(203, 79, 55);
/* oklch */ color: oklch(58.9% 0.163 32.9);

Tailwind

colors: {
  custom: {
    50: '#e3856f',
    500: '#cb4f37',
    950: '#000000',
  },
}

SCSS

$custom: #cb4f37;
$custom-light: #e3856f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4f37",
  "rgb": {
    "r": 203,
    "g": 79,
    "b": 55
  },
  "hsl": {
    "h": 9.73,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58872,
    "c": 0.16278,
    "h": 32.9
  },
  "luminance": 0.18564
}

Semantic roles & 50–950 ramp

primary

#CB4F37

secondary

#8EC5D0

accent

#C9E246

background

#FFF8F6

surface

#FEF0EC

border

#D6CBC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4F37

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

Preview Lab → · Contrast checker → · Palette generator →