#CC4537#CC4537

#CC4537 is a mid, vivid red. Relative luminance 0.174; OKLCH L 57.8% C 0.173 H 29.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#CC4537
RGB	rgb(204, 69, 55)
HSL	hsl(6, 59%, 51%)
HSV	hsv(6, 73%, 80%)
CMYK	cmyk(0%, 66.2%, 73%, 20%)
CIE-LAB	lab(48.73, 52.59, 37.63)
CIE-LCH	lch(48.73, 64.67, 35.59°)
OKLab	oklab(57.81% 0.1512 0.0849)
OKLCH	oklch(57.81% 0.173 29.3)
XYZ	xyz(27.7226, 17.3735, 5.5073)
Luminance	0.1737 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4537 #37BECC

analogous

#CC3773 #CC4537 #CC9037

triadic

#CC4537 #37CC45 #4537CC

tetradic

#CC4537 #73CC37 #37BECC #9037CC

square

#CC4537 #73CC37 #37BECC #9037CC

split-complementary

#CC4537 #37CC90 #3773CC

monochromatic

#6D231C #9E3328 #CC4537 #D87268 #E5A099

Accessibility & contrast

On white

4.69

#CC4537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#CC4537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4537

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4537	#FFFFFF	#000000	##FFFFFF
##CC4537	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6135

Deuteranopia (green-blind)

#8D7F32

Tritanopia (blue-blind)

#E01F43

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cc4537;
/* rgb */ color: rgb(204, 69, 55);
/* oklch */ color: oklch(57.8% 0.173 29.3);

Tailwind

colors: {
  custom: {
    50: '#e4806e',
    500: '#cc4537',
    950: '#000000',
  },
}

SCSS

$custom: #cc4537;
$custom-light: #e4806e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4537",
  "rgb": {
    "r": 204,
    "g": 69,
    "b": 55
  },
  "hsl": {
    "h": 5.638,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57812,
    "c": 0.17343,
    "h": 29.3
  },
  "luminance": 0.17369
}

Semantic roles & 50–950 ramp

primary

#CC4537

secondary

#8ECAD0

accent

#D4E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CC4537

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

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