#CB4C37#CB4C37

#CB4C37 is a mid, vivid red. Relative luminance 0.181; OKLCH L 58.5% C 0.166 H 31.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#CB4C37
RGB	rgb(203, 76, 55)
HSL	hsl(9, 59%, 51%)
HSV	hsv(9, 73%, 80%)
CMYK	cmyk(0%, 62.6%, 72.9%, 20.4%)
CIE-LAB	lab(49.67, 49.25, 38.64)
CIE-LCH	lch(49.67, 62.60, 38.12°)
OKLab	oklab(58.49% 0.1409 0.0872)
OKLCH	oklch(58.49% 0.166 31.7)
XYZ	xyz(27.9056, 18.1451, 5.6466)
Luminance	0.1814 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4C37 #37B6CB

analogous

#CB376C #CB4C37 #CB9637

triadic

#CB4C37 #37CB4C #4C37CB

tetradic

#CB4C37 #6CCB37 #37B6CB #9637CB

square

#CB4C37 #6CCB37 #37B6CB #9637CB

split-complementary

#CB4C37 #37CB96 #376CCB

monochromatic

#6C271C #9C3929 #CB4C37 #D87768 #E4A398

Accessibility & contrast

On white

4.54

#CB4C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#CB4C37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4C37

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4C37	#FFFFFF	#000000	##000000
##CB4C37	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6534

Deuteranopia (green-blind)

#8F8033

Tritanopia (blue-blind)

#DF2D48

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #cb4c37;
/* rgb */ color: rgb(203, 76, 55);
/* oklch */ color: oklch(58.5% 0.166 31.7);

Tailwind

colors: {
  custom: {
    50: '#e3836f',
    500: '#cb4c37',
    950: '#000000',
  },
}

SCSS

$custom: #cb4c37;
$custom-light: #e3836f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4c37",
  "rgb": {
    "r": 203,
    "g": 76,
    "b": 55
  },
  "hsl": {
    "h": 8.514,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5849,
    "c": 0.16567,
    "h": 31.7
  },
  "luminance": 0.18141
}

Semantic roles & 50–950 ramp

primary

#CB4C37

secondary

#8EC6D0

accent

#CCE246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4C37

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

Preview Lab → · Contrast checker → · Palette generator →