#CB4240#CB4240

#CB4240 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.4% C 0.174 H 25.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#CB4240
RGB	rgb(203, 66, 64)
HSL	hsl(1, 57%, 52%)
HSV	hsv(1, 68%, 80%)
CMYK	cmyk(0%, 67.5%, 68.5%, 20.4%)
CIE-LAB	lab(48.22, 53.92, 31.86)
CIE-LCH	lch(48.22, 62.62, 30.58°)
OKLab	oklab(57.44% 0.1573 0.074)
OKLCH	oklch(57.44% 0.174 25.2)
XYZ	xyz(27.5051, 16.9671, 6.6761)
Luminance	0.1696 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4240 #40C9CB

analogous

#CB4084 #CB4240 #CB8740

triadic

#CB4240 #40CB42 #4240CB

tetradic

#CB4240 #84CB40 #40C9CB #8740CB

square

#CB4240 #84CB40 #40C9CB #8740CB

split-complementary

#CB4240 #40CB87 #4084CB

monochromatic

#72201F #A22E2C #CB4240 #D87270 #E5A1A0

Accessibility & contrast

On white

4.78

#CB4240 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#CB4240 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4240

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4240	#FFFFFF	#000000	##FFFFFF
##CB4240	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603F

Deuteranopia (green-blind)

#8A7D3C

Tritanopia (blue-blind)

#DF1C43

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb4240;
/* rgb */ color: rgb(203, 66, 64);
/* oklch */ color: oklch(57.4% 0.174 25.2);

Tailwind

colors: {
  custom: {
    50: '#e37e75',
    500: '#cb4240',
    950: '#000000',
  },
}

SCSS

$custom: #cb4240;
$custom-light: #e37e75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4240",
  "rgb": {
    "r": 203,
    "g": 66,
    "b": 64
  },
  "hsl": {
    "h": 0.863,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57436,
    "c": 0.17385,
    "h": 25.2
  },
  "luminance": 0.16963
}

Semantic roles & 50–950 ramp

primary

#CB4240

secondary

#95D1D2

accent

#DEE047

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB4240

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

Preview Lab → · Contrast checker → · Palette generator →