#C1303C#C1303C

#C1303C is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.9% C 0.181 H 21.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#C1303C
RGB	rgb(193, 48, 60)
HSL	hsl(355, 60%, 47%)
HSV	hsv(355, 75%, 76%)
CMYK	cmyk(0%, 75.1%, 68.9%, 24.3%)
CIE-LAB	lab(43.92, 57.18, 28.59)
CIE-LCH	lch(43.92, 63.93, 26.56°)
OKLab	oklab(53.87% 0.1681 0.0665)
OKLCH	oklch(53.87% 0.181 21.6)
XYZ	xyz(23.8675, 13.7812, 5.6774)
Luminance	0.1378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1303C #30C1B5

analogous

#C13085 #C1303C #C16C30

triadic

#C1303C #3CC130 #303CC1

tetradic

#C1303C #85C130 #30C1B5 #6C30C1

square

#C1303C #85C130 #30C1B5 #6C30C1

split-complementary

#C1303C #30C16C #3085C1

monochromatic

#5F181E #90242D #C1303C #D65963 #E28A91

Accessibility & contrast

On white

5.59

#C1303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#C1303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C1303C

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1303C	#FFFFFF	#000000	##FFFFFF
##C1303C	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543B

Deuteranopia (green-blind)

#7F7337

Tritanopia (blue-blind)

#D40036

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c1303c;
/* rgb */ color: rgb(193, 48, 60);
/* oklch */ color: oklch(53.9% 0.181 21.6);

Tailwind

colors: {
  custom: {
    50: '#dc7471',
    500: '#c1303c',
    950: '#000000',
  },
}

SCSS

$custom: #c1303c;
$custom-light: #dc7471;
$custom-dark: #000000;

JSON

{
  "hex": "#c1303c",
  "rgb": {
    "r": 193,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 355.034,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53873,
    "c": 0.1808,
    "h": 21.6
  },
  "luminance": 0.13778
}

Semantic roles & 50–950 ramp

primary

#C1303C

secondary

#81CCC6

accent

#E3D644

background

#FEF7F6

surface

#FDEDEC

border

#D5C8C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C1303C

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

Preview Lab → · Contrast checker → · Palette generator →