#CB4439#CB4439

#CB4439 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.6% C 0.173 H 28.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CB4439
RGB	rgb(203, 68, 57)
HSL	hsl(5, 58%, 51%)
HSV	hsv(5, 72%, 80%)
CMYK	cmyk(0%, 66.5%, 71.9%, 20.4%)
CIE-LAB	lab(48.42, 52.76, 36.12)
CIE-LCH	lch(48.42, 63.94, 34.39°)
OKLab	oklab(57.56% 0.1523 0.0821)
OKLCH	oklch(57.56% 0.173 28.3)
XYZ	xyz(27.4372, 17.1301, 5.7318)
Luminance	0.1713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4439 #39C0CB

analogous

#CB3977 #CB4439 #CB8D39

triadic

#CB4439 #39CB44 #4439CB

tetradic

#CB4439 #77CB39 #39C0CB #8D39CB

square

#CB4439 #77CB39 #39C0CB #8D39CB

split-complementary

#CB4439 #39CB8D #3977CB

monochromatic

#6D231D #9D3229 #CB4439 #D87269 #E4A09A

Accessibility & contrast

On white

4.75

#CB4439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CB4439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4439

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4439	#FFFFFF	#000000	##FFFFFF
##CB4439	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6037

Deuteranopia (green-blind)

#8B7E35

Tritanopia (blue-blind)

#DF1E42

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4439;
/* rgb */ color: rgb(203, 68, 57);
/* oklch */ color: oklch(57.6% 0.173 28.3);

Tailwind

colors: {
  custom: {
    50: '#e37f70',
    500: '#cb4439',
    950: '#000000',
  },
}

SCSS

$custom: #cb4439;
$custom-light: #e37f70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4439",
  "rgb": {
    "r": 203,
    "g": 68,
    "b": 57
  },
  "hsl": {
    "h": 4.521,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5756,
    "c": 0.17297,
    "h": 28.3
  },
  "luminance": 0.17126
}

Semantic roles & 50–950 ramp

primary

#CB4439

secondary

#90CBD0

accent

#D6E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4439

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

Preview Lab → · Contrast checker → · Palette generator →