#CB3239#CB3239

#CB3239 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.8% C 0.189 H 23.7°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#CB3239
RGB	rgb(203, 50, 57)
HSL	hsl(357, 60%, 50%)
HSV	hsv(357, 75%, 80%)
CMYK	cmyk(0%, 75.4%, 71.9%, 20.4%)
CIE-LAB	lab(46.01, 59.40, 33.33)
CIE-LCH	lch(46.01, 68.11, 29.30°)
OKLab	oklab(55.76% 0.1732 0.076)
OKLCH	oklch(55.76% 0.189 23.7)
XYZ	xyz(26.5108, 15.2772, 5.4230)
Luminance	0.1527 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3239 #32CBC4

analogous

#CB3286 #CB3239 #CB7832

triadic

#CB3239 #39CB32 #3239CB

tetradic

#CB3239 #86CB32 #32CBC4 #7832CB

square

#CB3239 #86CB32 #32CBC4 #7832CB

split-complementary

#CB3239 #32CB78 #3286CB

monochromatic

#691A1D #9A262B #CB3239 #D86267 #E49397

Accessibility & contrast

On white

5.18

#CB3239 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#CB3239 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3239

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3239	#FFFFFF	#000000	##FFFFFF
##CB3239	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#867934

Tritanopia (blue-blind)

#DF0036

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #cb3239;
/* rgb */ color: rgb(203, 50, 57);
/* oklch */ color: oklch(55.8% 0.189 23.7);

Tailwind

colors: {
  custom: {
    50: '#e4766f',
    500: '#cb3239',
    950: '#000000',
  },
}

SCSS

$custom: #cb3239;
$custom-light: #e4766f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3239",
  "rgb": {
    "r": 203,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 357.255,
    "s": 60.474,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55758,
    "c": 0.18915,
    "h": 23.7
  },
  "luminance": 0.15273
}

Semantic roles & 50–950 ramp

primary

#CB3239

secondary

#89CFCC

accent

#E4DC44

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #CB3239

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

Preview Lab → · Contrast checker → · Palette generator →