#CB3A42#CB3A42

#CB3A42 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.6% C 0.181 H 22.3°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#CB3A42
RGB	rgb(203, 58, 66)
HSL	hsl(357, 58%, 51%)
HSV	hsv(357, 71%, 80%)
CMYK	cmyk(0%, 71.4%, 67.5%, 20.4%)
CIE-LAB	lab(47.13, 57.08, 29.36)
CIE-LCH	lch(47.13, 64.19, 27.22°)
OKLab	oklab(56.63% 0.1678 0.0687)
OKLCH	oklch(56.63% 0.181 22.3)
XYZ	xyz(27.1280, 16.1200, 6.8362)
Luminance	0.1612 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3A42 #3ACBC3

analogous

#CB3A8A #CB3A42 #CB7A3A

triadic

#CB3A42 #42CB3A #3A42CB

tetradic

#CB3A42 #8ACB3A #3ACBC3 #7A3ACB

square

#CB3A42 #8ACB3A #3ACBC3 #7A3ACB

split-complementary

#CB3A42 #3ACB7A #3A8ACB

monochromatic

#6E1D21 #9E2A30 #CB3A42 #D86A70 #E59B9F

Accessibility & contrast

On white

4.97

#CB3A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CB3A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3A42

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3A42	#FFFFFF	#000000	##FFFFFF
##CB3A42	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C41

Deuteranopia (green-blind)

#877B3E

Tritanopia (blue-blind)

#DF023E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3a42;
/* rgb */ color: rgb(203, 58, 66);
/* oklch */ color: oklch(56.6% 0.181 22.3);

Tailwind

colors: {
  custom: {
    50: '#e37a76',
    500: '#cb3a42',
    950: '#000000',
  },
}

SCSS

$custom: #cb3a42;
$custom-light: #e37a76;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3a42",
  "rgb": {
    "r": 203,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 356.69,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56634,
    "c": 0.1813,
    "h": 22.3
  },
  "luminance": 0.16116
}

Semantic roles & 50–950 ramp

primary

#CB3A42

secondary

#90D0CD

accent

#E1D946

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3A42

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

Preview Lab → · Contrast checker → · Palette generator →