#CB3D42#CB3D42

#CB3D42 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.178 H 23.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D42
RGB	rgb(203, 61, 66)
HSL	hsl(358, 58%, 52%)
HSV	hsv(358, 70%, 80%)
CMYK	cmyk(0%, 70%, 67.5%, 20.4%)
CIE-LAB	lab(47.54, 55.97, 29.85)
CIE-LCH	lch(47.54, 63.43, 28.07°)
OKLab	oklab(56.94% 0.1642 0.0698)
OKLCH	oklch(56.94% 0.178 23)
XYZ	xyz(27.2836, 16.4313, 6.8881)
Luminance	0.1643 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D42 #3DCBC6

analogous

#CB3D89 #CB3D42 #CB7F3D

triadic

#CB3D42 #42CB3D #3D42CB

tetradic

#CB3D42 #89CB3D #3DCBC6 #7F3DCB

square

#CB3D42 #89CB3D #3DCBC6 #7F3DCB

split-complementary

#CB3D42 #3DCB7F #3D89CB

monochromatic

#701E21 #A02B2F #CB3D42 #D86D71 #E59EA0

Accessibility & contrast

On white

4.90

#CB3D42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#CB3D42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D42

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D42	#FFFFFF	#000000	##FFFFFF
##CB3D42	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D41

Deuteranopia (green-blind)

#887C3E

Tritanopia (blue-blind)

#DF0F40

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3d42;
/* rgb */ color: rgb(203, 61, 66);
/* oklch */ color: oklch(56.9% 0.178 23.0);

Tailwind

colors: {
  custom: {
    50: '#e37c76',
    500: '#cb3d42',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d42;
$custom-light: #e37c76;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d42",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 66
  },
  "hsl": {
    "h": 357.887,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56935,
    "c": 0.17847,
    "h": 23
  },
  "luminance": 0.16427
}

Semantic roles & 50–950 ramp

primary

#CB3D42

secondary

#93D1CF

accent

#E1DC47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3D42

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

Preview Lab → · Contrast checker → · Palette generator →