#CB443A#CB443A

#CB443A is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.6% C 0.173 H 28.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#CB443A
RGB	rgb(203, 68, 58)
HSL	hsl(4, 58%, 51%)
HSV	hsv(4, 71%, 80%)
CMYK	cmyk(0%, 66.5%, 71.4%, 20.4%)
CIE-LAB	lab(48.44, 52.81, 35.57)
CIE-LCH	lch(48.44, 63.67, 33.96°)
OKLab	oklab(57.57% 0.1526 0.0811)
OKLCH	oklch(57.57% 0.173 28)
XYZ	xyz(27.4624, 17.1402, 5.8645)
Luminance	0.1714 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB443A #3AC1CB

analogous

#CB3A78 #CB443A #CB8C3A

triadic

#CB443A #3ACB44 #443ACB

tetradic

#CB443A #78CB3A #3AC1CB #8C3ACB

square

#CB443A #78CB3A #3AC1CB #8C3ACB

split-complementary

#CB443A #3ACB8C #3A78CB

monochromatic

#6E231D #9E322A #CB443A #D8726A #E5A09B

Accessibility & contrast

On white

4.74

#CB443A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CB443A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB443A

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB443A	#FFFFFF	#000000	##FFFFFF
##CB443A	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6038

Deuteranopia (green-blind)

#8B7E36

Tritanopia (blue-blind)

#DF1E43

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb443a;
/* rgb */ color: rgb(203, 68, 58);
/* oklch */ color: oklch(57.6% 0.173 28.0);

Tailwind

colors: {
  custom: {
    50: '#e37f71',
    500: '#cb443a',
    950: '#000000',
  },
}

SCSS

$custom: #cb443a;
$custom-light: #e37f71;
$custom-dark: #000000;

JSON

{
  "hex": "#cb443a",
  "rgb": {
    "r": 203,
    "g": 68,
    "b": 58
  },
  "hsl": {
    "h": 4.138,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57573,
    "c": 0.17281,
    "h": 28
  },
  "luminance": 0.17136
}

Semantic roles & 50–950 ramp

primary

#CB443A

secondary

#90CCD0

accent

#D7E146

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB443A

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

Preview Lab → · Contrast checker → · Palette generator →