#CB443F#CB443F

#CB443F is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.6% C 0.172 H 26.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#CB443F
RGB	rgb(203, 68, 63)
HSL	hsl(2, 57%, 52%)
HSV	hsv(2, 69%, 80%)
CMYK	cmyk(0%, 66.5%, 69%, 20.4%)
CIE-LAB	lab(48.50, 53.05, 32.78)
CIE-LCH	lch(48.50, 62.36, 31.71°)
OKLab	oklab(57.65% 0.1544 0.0759)
OKLCH	oklch(57.65% 0.172 26.2)
XYZ	xyz(27.5958, 17.1936, 6.5673)
Luminance	0.1719 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB443F #3FC6CB

analogous

#CB3F80 #CB443F #CB8A3F

triadic

#CB443F #3FCB44 #443FCB

tetradic

#CB443F #80CB3F #3FC6CB #8A3FCB

square

#CB443F #80CB3F #3FC6CB #8A3FCB

split-complementary

#CB443F #3FCB8A #3F80CB

monochromatic

#71221F #A1302C #CB443F #D8736F #E5A29F

Accessibility & contrast

On white

4.73

#CB443F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#CB443F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB443F

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB443F	#FFFFFF	#000000	##FFFFFF
##CB443F	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69613D

Deuteranopia (green-blind)

#8B7E3B

Tritanopia (blue-blind)

#DF2044

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb443f;
/* rgb */ color: rgb(203, 68, 63);
/* oklch */ color: oklch(57.6% 0.172 26.2);

Tailwind

colors: {
  custom: {
    50: '#e37f74',
    500: '#cb443f',
    950: '#000000',
  },
}

SCSS

$custom: #cb443f;
$custom-light: #e37f74;
$custom-dark: #000000;

JSON

{
  "hex": "#cb443f",
  "rgb": {
    "r": 203,
    "g": 68,
    "b": 63
  },
  "hsl": {
    "h": 2.143,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57645,
    "c": 0.17202,
    "h": 26.2
  },
  "luminance": 0.1719
}

Semantic roles & 50–950 ramp

primary

#CB443F

secondary

#94CFD1

accent

#DBE147

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB443F

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

Preview Lab → · Contrast checker → · Palette generator →