#CB4A37#CB4A37

#CB4A37 is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.2% C 0.168 H 31.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#CB4A37
RGB	rgb(203, 74, 55)
HSL	hsl(8, 59%, 51%)
HSV	hsv(8, 73%, 80%)
CMYK	cmyk(0%, 63.5%, 72.9%, 20.4%)
CIE-LAB	lab(49.34, 50.13, 38.28)
CIE-LCH	lch(49.34, 63.07, 37.36°)
OKLab	oklab(58.24% 0.1436 0.0864)
OKLCH	oklch(58.24% 0.168 31)
XYZ	xyz(27.7699, 17.8738, 5.6014)
Luminance	0.1787 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4A37 #37B8CB

analogous

#CB376E #CB4A37 #CB9437

triadic

#CB4A37 #37CB4A #4A37CB

tetradic

#CB4A37 #6ECB37 #37B8CB #9437CB

square

#CB4A37 #6ECB37 #37B8CB #9437CB

split-complementary

#CB4A37 #37CB94 #376ECB

monochromatic

#6C261C #9C3729 #CB4A37 #D87668 #E4A298

Accessibility & contrast

On white

4.59

#CB4A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#CB4A37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4A37

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4A37	#FFFFFF	#000000	##FFFFFF
##CB4A37	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6334

Deuteranopia (green-blind)

#8E8033

Tritanopia (blue-blind)

#DF2946

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #cb4a37;
/* rgb */ color: rgb(203, 74, 55);
/* oklch */ color: oklch(58.2% 0.168 31.0);

Tailwind

colors: {
  custom: {
    50: '#e3826f',
    500: '#cb4a37',
    950: '#000000',
  },
}

SCSS

$custom: #cb4a37;
$custom-light: #e3826f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4a37",
  "rgb": {
    "r": 203,
    "g": 74,
    "b": 55
  },
  "hsl": {
    "h": 7.703,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58242,
    "c": 0.16759,
    "h": 31
  },
  "luminance": 0.1787
}

Semantic roles & 50–950 ramp

primary

#CB4A37

secondary

#8EC7D0

accent

#CEE246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4A37

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

Preview Lab → · Contrast checker → · Palette generator →