#CB423A#CB423A

#CB423A is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.3% C 0.175 H 27.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#CB423A
RGB	rgb(203, 66, 58)
HSL	hsl(3, 58%, 51%)
HSV	hsv(3, 71%, 80%)
CMYK	cmyk(0%, 67.5%, 71.4%, 20.4%)
CIE-LAB	lab(48.14, 53.62, 35.22)
CIE-LCH	lch(48.14, 64.15, 33.30°)
OKLab	oklab(57.35% 0.1552 0.0803)
OKLCH	oklch(57.35% 0.175 27.4)
XYZ	xyz(27.3435, 16.9024, 5.8249)
Luminance	0.1690 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB423A #3AC3CB

analogous

#CB3A7A #CB423A #CB8A3A

triadic

#CB423A #3ACB42 #423ACB

tetradic

#CB423A #7ACB3A #3AC3CB #8A3ACB

square

#CB423A #7ACB3A #3AC3CB #8A3ACB

split-complementary

#CB423A #3ACB8A #3A7ACB

monochromatic

#6E211D #9E302A #CB423A #D8706A #E59F9B

Accessibility & contrast

On white

4.79

#CB423A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#CB423A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB423A

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB423A	#FFFFFF	#000000	##FFFFFF
##CB423A	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)

#685F38

Deuteranopia (green-blind)

#8B7D36

Tritanopia (blue-blind)

#DF1A41

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb423a;
/* rgb */ color: rgb(203, 66, 58);
/* oklch */ color: oklch(57.3% 0.175 27.4);

Tailwind

colors: {
  custom: {
    50: '#e37e70',
    500: '#cb423a',
    950: '#000000',
  },
}

SCSS

$custom: #cb423a;
$custom-light: #e37e70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb423a",
  "rgb": {
    "r": 203,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 3.31,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57349,
    "c": 0.17473,
    "h": 27.4
  },
  "luminance": 0.16898
}

Semantic roles & 50–950 ramp

primary

#CB423A

secondary

#90CDD0

accent

#D9E146

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB423A

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

Preview Lab → · Contrast checker → · Palette generator →