#C03133#C03133

#C03133 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.7% C 0.180 H 25.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#C03133
RGB	rgb(192, 49, 51)
HSL	hsl(359, 59%, 47%)
HSV	hsv(359, 74%, 75%)
CMYK	cmyk(0%, 74.5%, 73.4%, 24.7%)
CIE-LAB	lab(43.72, 56.12, 33.66)
CIE-LCH	lch(43.72, 65.44, 30.95°)
OKLab	oklab(53.65% 0.1629 0.0761)
OKLCH	oklch(53.65% 0.18 25)
XYZ	xyz(23.4368, 13.6457, 4.5312)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03133 #31C0BE

analogous

#C0317A #C03133 #C07731

triadic

#C03133 #33C031 #3133C0

tetradic

#C03133 #7AC031 #31C0BE #7731C0

square

#C03133 #7AC031 #31C0BE #7731C0

split-complementary

#C03133 #31C077 #317AC0

monochromatic

#5E1819 #8F2526 #C03133 #D5595B #E18A8B

Accessibility & contrast

On white

5.63

#C03133 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#C03133 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03133

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03133	#FFFFFF	#000000	##FFFFFF
##C03133	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#7F732E

Tritanopia (blue-blind)

#D30034

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c03133;
/* rgb */ color: rgb(192, 49, 51);
/* oklch */ color: oklch(53.7% 0.180 25.0);

Tailwind

colors: {
  custom: {
    50: '#dc746b',
    500: '#c03133',
    950: '#000000',
  },
}

SCSS

$custom: #c03133;
$custom-light: #dc746b;
$custom-dark: #000000;

JSON

{
  "hex": "#c03133",
  "rgb": {
    "r": 192,
    "g": 49,
    "b": 51
  },
  "hsl": {
    "h": 359.161,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53651,
    "c": 0.17982,
    "h": 25
  },
  "luminance": 0.13642
}

Semantic roles & 50–950 ramp

primary

#C03133

secondary

#82CBCA

accent

#E3E045

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03133

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

Preview Lab → · Contrast checker → · Palette generator →