#CC3B37#CC3B37

#CC3B37 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.183 H 26.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#CC3B37
RGB	rgb(204, 59, 55)
HSL	hsl(2, 59%, 51%)
HSV	hsv(2, 73%, 80%)
CMYK	cmyk(0%, 71.1%, 73%, 20%)
CIE-LAB	lab(47.29, 56.50, 36.02)
CIE-LCH	lch(47.29, 67.01, 32.51°)
OKLab	oklab(56.74% 0.1635 0.0814)
OKLCH	oklch(56.74% 0.183 26.5)
XYZ	xyz(27.1585, 16.2452, 5.3193)
Luminance	0.1624 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3B37 #37C8CC

analogous

#CC377D #CC3B37 #CC8537

triadic

#CC3B37 #37CC3B #3B37CC

tetradic

#CC3B37 #7DCC37 #37C8CC #8537CC

square

#CC3B37 #7DCC37 #37C8CC #8537CC

split-complementary

#CC3B37 #37CC85 #377DCC

monochromatic

#6D1E1C #9E2B28 #CC3B37 #D86B68 #E59B99

Accessibility & contrast

On white

4.94

#CC3B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#CC3B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3B37

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3B37	#FFFFFF	#000000	##FFFFFF
##CC3B37	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#897C32

Tritanopia (blue-blind)

#E0003C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cc3b37;
/* rgb */ color: rgb(204, 59, 55);
/* oklch */ color: oklch(56.7% 0.183 26.5);

Tailwind

colors: {
  custom: {
    50: '#e47b6e',
    500: '#cc3b37',
    950: '#000000',
  },
}

SCSS

$custom: #cc3b37;
$custom-light: #e47b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3b37",
  "rgb": {
    "r": 204,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.611,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5674,
    "c": 0.18265,
    "h": 26.5
  },
  "luminance": 0.16241
}

Semantic roles & 50–950 ramp

primary

#CC3B37

secondary

#8ECFD0

accent

#DEE345

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3B37

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

Preview Lab → · Contrast checker → · Palette generator →