#C03231#C03231

#C03231 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.7% C 0.179 H 25.9°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#C03231
RGB	rgb(192, 50, 49)
HSL	hsl(0, 59%, 47%)
HSV	hsv(0, 74%, 75%)
CMYK	cmyk(0%, 74%, 74.5%, 24.7%)
CIE-LAB	lab(43.82, 55.70, 34.93)
CIE-LCH	lch(43.82, 65.74, 32.10°)
OKLab	oklab(53.72% 0.1611 0.0784)
OKLCH	oklch(53.72% 0.179 25.9)
XYZ	xyz(23.4359, 13.7130, 4.3180)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03231 #31BFC0

analogous

#C03177 #C03231 #C07A31

triadic

#C03231 #31C032 #3231C0

tetradic

#C03231 #77C031 #31BFC0 #7A31C0

square

#C03231 #77C031 #31BFC0 #7A31C0

split-complementary

#C03231 #31C07A #3177C0

monochromatic

#5E1918 #8F2525 #C03231 #D55A59 #E18B8A

Accessibility & contrast

On white

5.61

#C03231 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#C03231 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03231

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03231	#FFFFFF	#000000	##FFFFFF
##C03231	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542F

Deuteranopia (green-blind)

#80732C

Tritanopia (blue-blind)

#D30034

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c03231;
/* rgb */ color: rgb(192, 50, 49);
/* oklch */ color: oklch(53.7% 0.179 25.9);

Tailwind

colors: {
  custom: {
    50: '#dc7569',
    500: '#c03231',
    950: '#000000',
  },
}

SCSS

$custom: #c03231;
$custom-light: #dc7569;
$custom-dark: #000000;

JSON

{
  "hex": "#c03231",
  "rgb": {
    "r": 192,
    "g": 50,
    "b": 49
  },
  "hsl": {
    "h": 0.42,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53716,
    "c": 0.17921,
    "h": 25.9
  },
  "luminance": 0.13709
}

Semantic roles & 50–950 ramp

primary

#C03231

secondary

#82CBCB

accent

#E1E345

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03231

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

Preview Lab → · Contrast checker → · Palette generator →