#CB4B39#CB4B39

#CB4B39 is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.4% C 0.166 H 30.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#CB4B39
RGB	rgb(203, 75, 57)
HSL	hsl(7, 58%, 51%)
HSV	hsv(7, 72%, 80%)
CMYK	cmyk(0%, 63.1%, 71.9%, 20.4%)
CIE-LAB	lab(49.53, 49.78, 37.38)
CIE-LCH	lch(49.53, 62.26, 36.90°)
OKLab	oklab(58.39% 0.1429 0.0848)
OKLCH	oklch(58.39% 0.166 30.7)
XYZ	xyz(27.8861, 18.0280, 5.8814)
Luminance	0.1802 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4B39 #39B9CB

analogous

#CB3970 #CB4B39 #CB9439

triadic

#CB4B39 #39CB4B #4B39CB

tetradic

#CB4B39 #70CB39 #39B9CB #9439CB

square

#CB4B39 #70CB39 #39B9CB #9439CB

split-complementary

#CB4B39 #39CB94 #3970CB

monochromatic

#6D271D #9D3829 #CB4B39 #D87769 #E4A39A

Accessibility & contrast

On white

4.56

#CB4B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#CB4B39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4B39

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4B39	#FFFFFF	#000000	##000000
##CB4B39	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6436

Deuteranopia (green-blind)

#8E8035

Tritanopia (blue-blind)

#DF2C48

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #cb4b39;
/* rgb */ color: rgb(203, 75, 57);
/* oklch */ color: oklch(58.4% 0.166 30.7);

Tailwind

colors: {
  custom: {
    50: '#e38370',
    500: '#cb4b39',
    950: '#000000',
  },
}

SCSS

$custom: #cb4b39;
$custom-light: #e38370;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4b39",
  "rgb": {
    "r": 203,
    "g": 75,
    "b": 57
  },
  "hsl": {
    "h": 7.397,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58391,
    "c": 0.16622,
    "h": 30.7
  },
  "luminance": 0.18024
}

Semantic roles & 50–950 ramp

primary

#CB4B39

secondary

#90C8D0

accent

#CEE246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4B39

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

Preview Lab → · Contrast checker → · Palette generator →