#CB423D#CB423D

#CB423D is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.4% C 0.174 H 26.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#CB423D
RGB	rgb(203, 66, 61)
HSL	hsl(2, 58%, 52%)
HSV	hsv(2, 70%, 80%)
CMYK	cmyk(0%, 67.5%, 70%, 20.4%)
CIE-LAB	lab(48.18, 53.77, 33.55)
CIE-LCH	lch(48.18, 63.37, 31.96°)
OKLab	oklab(57.39% 0.1562 0.0772)
OKLCH	oklch(57.39% 0.174 26.3)
XYZ	xyz(27.4221, 16.9338, 6.2386)
Luminance	0.1693 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB423D #3DC6CB

analogous

#CB3D7F #CB423D #CB893D

triadic

#CB423D #3DCB42 #423DCB

tetradic

#CB423D #7FCB3D #3DC6CB #893DCB

square

#CB423D #7FCB3D #3DC6CB #893DCB

split-complementary

#CB423D #3DCB89 #3D7FCB

monochromatic

#70211E #A02F2B #CB423D #D8716D #E5A09E

Accessibility & contrast

On white

4.79

#CB423D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#CB423D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB423D

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB423D	#FFFFFF	#000000	##FFFFFF
##CB423D	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603B

Deuteranopia (green-blind)

#8A7D39

Tritanopia (blue-blind)

#DF1B42

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb423d;
/* rgb */ color: rgb(203, 66, 61);
/* oklch */ color: oklch(57.4% 0.174 26.3);

Tailwind

colors: {
  custom: {
    50: '#e37e73',
    500: '#cb423d',
    950: '#000000',
  },
}

SCSS

$custom: #cb423d;
$custom-light: #e37e73;
$custom-dark: #000000;

JSON

{
  "hex": "#cb423d",
  "rgb": {
    "r": 203,
    "g": 66,
    "b": 61
  },
  "hsl": {
    "h": 2.113,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57391,
    "c": 0.17427,
    "h": 26.3
  },
  "luminance": 0.1693
}

Semantic roles & 50–950 ramp

primary

#CB423D

secondary

#93CFD1

accent

#DCE147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB423D

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

Preview Lab → · Contrast checker → · Palette generator →