#CC3F40#CC3F40

#CC3F40 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.178 H 24.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#CC3F40
RGB	rgb(204, 63, 64)
HSL	hsl(360, 58%, 52%)
HSV	hsv(360, 69%, 80%)
CMYK	cmyk(0%, 69.1%, 68.6%, 20%)
CIE-LAB	lab(47.96, 55.42, 31.59)
CIE-LCH	lch(47.96, 63.79, 29.68°)
OKLab	oklab(57.28% 0.162 0.0734)
OKLCH	oklch(57.28% 0.178 24.4)
XYZ	xyz(27.6077, 16.7666, 6.6321)
Luminance	0.1676 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3F40 #3FCCCB

analogous

#CC3F87 #CC3F40 #CC843F

triadic

#CC3F40 #40CC3F #3F40CC

tetradic

#CC3F40 #87CC3F #3FCCCB #843FCC

square

#CC3F40 #87CC3F #3FCCCB #843FCC

split-complementary

#CC3F40 #3FCC84 #3F87CC

monochromatic

#721E1F #A32B2C #CC3F40 #D96F70 #E6A0A0

Accessibility & contrast

On white

4.82

#CC3F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#CC3F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3F40

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3F40	#FFFFFF	#000000	##FFFFFF
##CC3F40	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665F3F

Deuteranopia (green-blind)

#8A7D3C

Tritanopia (blue-blind)

#E01341

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc3f40;
/* rgb */ color: rgb(204, 63, 64);
/* oklch */ color: oklch(57.3% 0.178 24.4);

Tailwind

colors: {
  custom: {
    50: '#e37d75',
    500: '#cc3f40',
    950: '#000000',
  },
}

SCSS

$custom: #cc3f40;
$custom-light: #e37d75;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3f40",
  "rgb": {
    "r": 204,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 359.574,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57279,
    "c": 0.1778,
    "h": 24.4
  },
  "luminance": 0.16763
}

Semantic roles & 50–950 ramp

primary

#CC3F40

secondary

#95D2D2

accent

#E1E047

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CC3F40

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

Preview Lab → · Contrast checker → · Palette generator →