#CB4939#CB4939

#CB4939 is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.1% C 0.168 H 30.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#CB4939
RGB	rgb(203, 73, 57)
HSL	hsl(7, 58%, 51%)
HSV	hsv(7, 72%, 80%)
CMYK	cmyk(0%, 64%, 71.9%, 20.4%)
CIE-LAB	lab(49.20, 50.65, 37.01)
CIE-LCH	lch(49.20, 62.73, 36.15°)
OKLab	oklab(58.15% 0.1457 0.084)
OKLCH	oklch(58.15% 0.168 30)
XYZ	xyz(27.7526, 17.7609, 5.8369)
Luminance	0.1776 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4939 #39BBCB

analogous

#CB3972 #CB4939 #CB9239

triadic

#CB4939 #39CB49 #4939CB

tetradic

#CB4939 #72CB39 #39BBCB #9239CB

square

#CB4939 #72CB39 #39BBCB #9239CB

split-complementary

#CB4939 #39CB92 #3972CB

monochromatic

#6D251D #9D3629 #CB4939 #D87669 #E4A29A

Accessibility & contrast

On white

4.61

#CB4939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#CB4939 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4939

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4939	#FFFFFF	#000000	##FFFFFF
##CB4939	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6336

Deuteranopia (green-blind)

#8D7F35

Tritanopia (blue-blind)

#DF2846

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #cb4939;
/* rgb */ color: rgb(203, 73, 57);
/* oklch */ color: oklch(58.1% 0.168 30.0);

Tailwind

colors: {
  custom: {
    50: '#e38270',
    500: '#cb4939',
    950: '#000000',
  },
}

SCSS

$custom: #cb4939;
$custom-light: #e38270;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4939",
  "rgb": {
    "r": 203,
    "g": 73,
    "b": 57
  },
  "hsl": {
    "h": 6.575,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58146,
    "c": 0.16816,
    "h": 30
  },
  "luminance": 0.17757
}

Semantic roles & 50–950 ramp

primary

#CB4939

secondary

#90C9D0

accent

#D1E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4939

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

Preview Lab → · Contrast checker → · Palette generator →