#CB3E42#CB3E42

#CB3E42 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.0% C 0.178 H 23.3°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#CB3E42
RGB	rgb(203, 62, 66)
HSL	hsl(358, 58%, 52%)
HSV	hsv(358, 69%, 80%)
CMYK	cmyk(0%, 69.5%, 67.5%, 20.4%)
CIE-LAB	lab(47.67, 55.59, 30.02)
CIE-LCH	lch(47.67, 63.18, 28.37°)
OKLab	oklab(57.04% 0.163 0.0702)
OKLCH	oklch(57.04% 0.178 23.3)
XYZ	xyz(27.3375, 16.5391, 6.9061)
Luminance	0.1653 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3E42 #3ECBC7

analogous

#CB3E89 #CB3E42 #CB813E

triadic

#CB3E42 #42CB3E #3E42CB

tetradic

#CB3E42 #89CB3E #3ECBC7 #813ECB

square

#CB3E42 #89CB3E #3ECBC7 #813ECB

split-complementary

#CB3E42 #3ECB81 #3E89CB

monochromatic

#701E21 #A12B2F #CB3E42 #D86E71 #E59EA0

Accessibility & contrast

On white

4.88

#CB3E42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#CB3E42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3E42

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3E42	#FFFFFF	#000000	##FFFFFF
##CB3E42	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655E41

Deuteranopia (green-blind)

#897C3E

Tritanopia (blue-blind)

#DF1241

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3e42;
/* rgb */ color: rgb(203, 62, 66);
/* oklch */ color: oklch(57.0% 0.178 23.3);

Tailwind

colors: {
  custom: {
    50: '#e37c76',
    500: '#cb3e42',
    950: '#000000',
  },
}

SCSS

$custom: #cb3e42;
$custom-light: #e37c76;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3e42",
  "rgb": {
    "r": 203,
    "g": 62,
    "b": 66
  },
  "hsl": {
    "h": 358.298,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57038,
    "c": 0.17751,
    "h": 23.3
  },
  "luminance": 0.16535
}

Semantic roles & 50–950 ramp

primary

#CB3E42

secondary

#94D1D0

accent

#E1DC47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3E42

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

Preview Lab → · Contrast checker → · Palette generator →