#CC3A3B#CC3A3B

#CC3A3B is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.183 H 24.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CC3A3B
RGB	rgb(204, 58, 59)
HSL	hsl(360, 59%, 51%)
HSV	hsv(360, 72%, 80%)
CMYK	cmyk(0%, 71.6%, 71.1%, 20%)
CIE-LAB	lab(47.21, 57.05, 33.62)
CIE-LCH	lch(47.21, 66.22, 30.51°)
OKLab	oklab(56.7% 0.1661 0.077)
OKLCH	oklch(56.7% 0.183 24.9)
XYZ	xyz(27.2073, 16.1833, 5.8279)
Luminance	0.1618 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3A3B #3ACCCB

analogous

#CC3A84 #CC3A3B #CC823A

triadic

#CC3A3B #3BCC3A #3A3BCC

tetradic

#CC3A3B #84CC3A #3ACCCB #823ACC

square

#CC3A3B #84CC3A #3ACCCB #823ACC

split-complementary

#CC3A3B #3ACC82 #3A84CC

monochromatic

#6F1D1D #A0292A #CC3A3B #D96B6B #E59B9C

Accessibility & contrast

On white

4.96

#CC3A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CC3A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3A3B

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3A3B	#FFFFFF	#000000	##FFFFFF
##CC3A3B	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3A

Deuteranopia (green-blind)

#897B36

Tritanopia (blue-blind)

#E0003C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cc3a3b;
/* rgb */ color: rgb(204, 58, 59);
/* oklch */ color: oklch(56.7% 0.183 24.9);

Tailwind

colors: {
  custom: {
    50: '#e47a71',
    500: '#cc3a3b',
    950: '#000000',
  },
}

SCSS

$custom: #cc3a3b;
$custom-light: #e47a71;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3a3b",
  "rgb": {
    "r": 204,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.589,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56696,
    "c": 0.18303,
    "h": 24.9
  },
  "luminance": 0.16179
}

Semantic roles & 50–950 ramp

primary

#CC3A3B

secondary

#91D1D1

accent

#E2E146

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3A3B

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

Preview Lab → · Contrast checker → · Palette generator →