#CB3237#CB3237

#CB3237 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.7% C 0.189 H 24.3°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#CB3237
RGB	rgb(203, 50, 55)
HSL	hsl(358, 60%, 50%)
HSV	hsv(358, 75%, 80%)
CMYK	cmyk(0%, 75.4%, 72.9%, 20.4%)
CIE-LAB	lab(45.99, 59.31, 34.47)
CIE-LCH	lch(45.99, 68.60, 30.17°)
OKLab	oklab(55.73% 0.1725 0.0781)
OKLCH	oklch(55.73% 0.189 24.3)
XYZ	xyz(26.4618, 15.2577, 5.1654)
Luminance	0.1525 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3237 #32CBC6

analogous

#CB3284 #CB3237 #CB7932

triadic

#CB3237 #37CB32 #3237CB

tetradic

#CB3237 #84CB32 #32CBC6 #7932CB

square

#CB3237 #84CB32 #32CBC6 #7932CB

split-complementary

#CB3237 #32CB79 #3284CB

monochromatic

#691A1C #9A262A #CB3237 #D86266 #E49396

Accessibility & contrast

On white

5.18

#CB3237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#CB3237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3237

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3237	#FFFFFF	#000000	##FFFFFF
##CB3237	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605836

Deuteranopia (green-blind)

#867932

Tritanopia (blue-blind)

#DF0036

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #cb3237;
/* rgb */ color: rgb(203, 50, 55);
/* oklch */ color: oklch(55.7% 0.189 24.3);

Tailwind

colors: {
  custom: {
    50: '#e4766e',
    500: '#cb3237',
    950: '#000000',
  },
}

SCSS

$custom: #cb3237;
$custom-light: #e4766e;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3237",
  "rgb": {
    "r": 203,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 358.039,
    "s": 60.474,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5573,
    "c": 0.18935,
    "h": 24.3
  },
  "luminance": 0.15254
}

Semantic roles & 50–950 ramp

primary

#CB3237

secondary

#89CFCD

accent

#E4DE44

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #CB3237

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

Preview Lab → · Contrast checker → · Palette generator →