#C0313F#C0313F

#C0313F is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.179 H 20.6°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#C0313F
RGB	rgb(192, 49, 63)
HSL	hsl(354, 59%, 47%)
HSV	hsv(354, 74%, 75%)
CMYK	cmyk(0%, 74.5%, 67.2%, 24.7%)
CIE-LAB	lab(43.89, 56.70, 26.70)
CIE-LCH	lch(43.89, 62.67, 25.22°)
OKLab	oklab(53.84% 0.1674 0.0628)
OKLCH	oklch(53.84% 0.179 20.6)
XYZ	xyz(23.7363, 13.7655, 6.1088)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0313F #31C0B2

analogous

#C03186 #C0313F #C06B31

triadic

#C0313F #3FC031 #313FC0

tetradic

#C0313F #86C031 #31C0B2 #6B31C0

square

#C0313F #86C031 #31C0B2 #6B31C0

split-complementary

#C0313F #31C06B #3186C0

monochromatic

#5E181F #8F252F #C0313F #D55966 #E18A93

Accessibility & contrast

On white

5.60

#C0313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#C0313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0313F

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0313F	#FFFFFF	#000000	##FFFFFF
##C0313F	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543E

Deuteranopia (green-blind)

#7E733B

Tritanopia (blue-blind)

#D30037

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c0313f;
/* rgb */ color: rgb(192, 49, 63);
/* oklch */ color: oklch(53.8% 0.179 20.6);

Tailwind

colors: {
  custom: {
    50: '#db7574',
    500: '#c0313f',
    950: '#000000',
  },
}

SCSS

$custom: #c0313f;
$custom-light: #db7574;
$custom-dark: #000000;

JSON

{
  "hex": "#c0313f",
  "rgb": {
    "r": 192,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 354.126,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53837,
    "c": 0.17875,
    "h": 20.6
  },
  "luminance": 0.13762
}

Semantic roles & 50–950 ramp

primary

#C0313F

secondary

#82CBC4

accent

#E3D345

background

#FEF7F7

surface

#FDEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #C0313F

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

Preview Lab → · Contrast checker → · Palette generator →