#CB3A33#CB3A33

#CB3A33 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.4% C 0.183 H 27.5°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#CB3A33
RGB	rgb(203, 58, 51)
HSL	hsl(3, 60%, 50%)
HSV	hsv(3, 75%, 80%)
CMYK	cmyk(0%, 71.4%, 74.9%, 20.4%)
CIE-LAB	lab(46.93, 56.39, 37.82)
CIE-LCH	lch(46.93, 67.90, 33.85°)
OKLab	oklab(56.42% 0.1624 0.0845)
OKLCH	oklch(56.42% 0.183 27.5)
XYZ	xyz(26.7423, 15.9657, 4.8049)
Luminance	0.1596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3A33 #33C4CB

analogous

#CB3378 #CB3A33 #CB8633

triadic

#CB3A33 #33CB3A #3A33CB

tetradic

#CB3A33 #78CB33 #33C4CB #8633CB

square

#CB3A33 #78CB33 #33C4CB #8633CB

split-complementary

#CB3A33 #33CB86 #3378CB

monochromatic

#691E1A #9A2C27 #CB3A33 #D86963 #E49894

Accessibility & contrast

On white

5.01

#CB3A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#CB3A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3A33

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3A33	#FFFFFF	#000000	##FFFFFF
##CB3A33	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B31

Deuteranopia (green-blind)

#897B2E

Tritanopia (blue-blind)

#DF003A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cb3a33;
/* rgb */ color: rgb(203, 58, 51);
/* oklch */ color: oklch(56.4% 0.183 27.5);

Tailwind

colors: {
  custom: {
    50: '#e47a6b',
    500: '#cb3a33',
    950: '#000000',
  },
}

SCSS

$custom: #cb3a33;
$custom-light: #e47a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3a33",
  "rgb": {
    "r": 203,
    "g": 58,
    "b": 51
  },
  "hsl": {
    "h": 2.763,
    "s": 59.843,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56418,
    "c": 0.18308,
    "h": 27.5
  },
  "luminance": 0.15962
}

Semantic roles & 50–950 ramp

primary

#CB3A33

secondary

#8BCCCF

accent

#DCE345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3A33

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

Preview Lab → · Contrast checker → · Palette generator →