#CC3E37#CC3E37

#CC3E37 is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.0% C 0.180 H 27.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#CC3E37
RGB	rgb(204, 62, 55)
HSL	hsl(3, 59%, 51%)
HSV	hsv(3, 73%, 80%)
CMYK	cmyk(0%, 69.6%, 73%, 20%)
CIE-LAB	lab(47.70, 55.38, 36.48)
CIE-LCH	lch(47.70, 66.31, 33.37°)
OKLab	oklab(57.05% 0.16 0.0824)
OKLCH	oklch(57.05% 0.18 27.3)
XYZ	xyz(27.3171, 16.5625, 5.3722)
Luminance	0.1656 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3E37 #37C5CC

analogous

#CC377A #CC3E37 #CC8837

triadic

#CC3E37 #37CC3E #3E37CC

tetradic

#CC3E37 #7ACC37 #37C5CC #8837CC

square

#CC3E37 #7ACC37 #37C5CC #8837CC

split-complementary

#CC3E37 #37CC88 #377ACC

monochromatic

#6D201C #9E2E28 #CC3E37 #D86D68 #E59C99

Accessibility & contrast

On white

4.87

#CC3E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#CC3E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3E37

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3E37	#FFFFFF	#000000	##FFFFFF
##CC3E37	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E35

Deuteranopia (green-blind)

#8A7D32

Tritanopia (blue-blind)

#E00A3E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cc3e37;
/* rgb */ color: rgb(204, 62, 55);
/* oklch */ color: oklch(57.0% 0.180 27.3);

Tailwind

colors: {
  custom: {
    50: '#e47c6e',
    500: '#cc3e37',
    950: '#000000',
  },
}

SCSS

$custom: #cc3e37;
$custom-light: #e47c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3e37",
  "rgb": {
    "r": 204,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 2.819,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57046,
    "c": 0.17994,
    "h": 27.3
  },
  "luminance": 0.16558
}

Semantic roles & 50–950 ramp

primary

#CC3E37

secondary

#8ECDD0

accent

#DBE345

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3E37

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

Preview Lab → · Contrast checker → · Palette generator →