#CB4239#CB4239

#CB4239 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.3% C 0.175 H 27.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#CB4239
RGB	rgb(203, 66, 57)
HSL	hsl(4, 58%, 51%)
HSV	hsv(4, 72%, 80%)
CMYK	cmyk(0%, 67.5%, 71.9%, 20.4%)
CIE-LAB	lab(48.12, 53.57, 35.78)
CIE-LCH	lch(48.12, 64.42, 33.73°)
OKLab	oklab(57.34% 0.1548 0.0813)
OKLCH	oklch(57.34% 0.175 27.7)
XYZ	xyz(27.3183, 16.8923, 5.6922)
Luminance	0.1689 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4239 #39C2CB

analogous

#CB3979 #CB4239 #CB8B39

triadic

#CB4239 #39CB42 #4239CB

tetradic

#CB4239 #79CB39 #39C2CB #8B39CB

square

#CB4239 #79CB39 #39C2CB #8B39CB

split-complementary

#CB4239 #39CB8B #3979CB

monochromatic

#6D221D #9D3129 #CB4239 #D87069 #E49F9A

Accessibility & contrast

On white

4.80

#CB4239 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#CB4239 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4239

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4239	#FFFFFF	#000000	##FFFFFF
##CB4239	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F37

Deuteranopia (green-blind)

#8B7D34

Tritanopia (blue-blind)

#DF1941

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb4239;
/* rgb */ color: rgb(203, 66, 57);
/* oklch */ color: oklch(57.3% 0.175 27.7);

Tailwind

colors: {
  custom: {
    50: '#e37e70',
    500: '#cb4239',
    950: '#000000',
  },
}

SCSS

$custom: #cb4239;
$custom-light: #e37e70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4239",
  "rgb": {
    "r": 203,
    "g": 66,
    "b": 57
  },
  "hsl": {
    "h": 3.699,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57335,
    "c": 0.17489,
    "h": 27.7
  },
  "luminance": 0.16888
}

Semantic roles & 50–950 ramp

primary

#CB4239

secondary

#90CCD0

accent

#D8E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB4239

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

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