#CB423C#CB423C

#CB423C is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.4% C 0.174 H 26.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#CB423C
RGB	rgb(203, 66, 60)
HSL	hsl(3, 58%, 52%)
HSV	hsv(3, 70%, 80%)
CMYK	cmyk(0%, 67.5%, 70.4%, 20.4%)
CIE-LAB	lab(48.16, 53.72, 34.11)
CIE-LCH	lch(48.16, 63.63, 32.41°)
OKLab	oklab(57.38% 0.1559 0.0783)
OKLCH	oklch(57.38% 0.174 26.7)
XYZ	xyz(27.3954, 16.9232, 6.0980)
Luminance	0.1692 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB423C #3CC5CB

analogous

#CB3C7E #CB423C #CB893C

triadic

#CB423C #3CCB42 #423CCB

tetradic

#CB423C #7ECB3C #3CC5CB #893CCB

square

#CB423C #7ECB3C #3CC5CB #893CCB

split-complementary

#CB423C #3CCB89 #3C7ECB

monochromatic

#6F211E #9F2F2A #CB423C #D8716C #E5A09D

Accessibility & contrast

On white

4.79

#CB423C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#CB423C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB423C

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB423C	#FFFFFF	#000000	##FFFFFF
##CB423C	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603A

Deuteranopia (green-blind)

#8A7D38

Tritanopia (blue-blind)

#DF1A42

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb423c;
/* rgb */ color: rgb(203, 66, 60);
/* oklch */ color: oklch(57.4% 0.174 26.7);

Tailwind

colors: {
  custom: {
    50: '#e37e72',
    500: '#cb423c',
    950: '#000000',
  },
}

SCSS

$custom: #cb423c;
$custom-light: #e37e72;
$custom-dark: #000000;

JSON

{
  "hex": "#cb423c",
  "rgb": {
    "r": 203,
    "g": 66,
    "b": 60
  },
  "hsl": {
    "h": 2.517,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57377,
    "c": 0.17442,
    "h": 26.7
  },
  "luminance": 0.16919
}

Semantic roles & 50–950 ramp

primary

#CB423C

secondary

#92CED1

accent

#DBE147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB423C

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

Preview Lab → · Contrast checker → · Palette generator →