#C73A31#C73A31

#C73A31 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.179 H 28.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#C73A31
RGB	rgb(199, 58, 49)
HSL	hsl(4, 60%, 49%)
HSV	hsv(4, 75%, 78%)
CMYK	cmyk(0%, 70.9%, 75.4%, 22%)
CIE-LAB	lab(46.17, 55.03, 37.90)
CIE-LCH	lch(46.17, 66.82, 34.56°)
OKLab	oklab(55.71% 0.1582 0.0844)
OKLCH	oklch(55.71% 0.179 28.1)
XYZ	xyz(25.6235, 15.3939, 4.5272)
Luminance	0.1539 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73A31 #31BEC7

analogous

#C73173 #C73A31 #C78531

triadic

#C73A31 #31C73A #3A31C7

tetradic

#C73A31 #73C731 #31BEC7 #8531C7

square

#C73A31 #73C731 #31BEC7 #8531C7

split-complementary

#C73A31 #31C785 #3173C7

monochromatic

#651D19 #962C25 #C73A31 #D7655E #E3948F

Accessibility & contrast

On white

5.15

#C73A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C73A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73A31

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73A31	#FFFFFF	#000000	##FFFFFF
##C73A31	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2F

Deuteranopia (green-blind)

#86792C

Tritanopia (blue-blind)

#DB0039

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c73a31;
/* rgb */ color: rgb(199, 58, 49);
/* oklch */ color: oklch(55.7% 0.179 28.1);

Tailwind

colors: {
  custom: {
    50: '#e1796a',
    500: '#c73a31',
    950: '#000000',
  },
}

SCSS

$custom: #c73a31;
$custom-light: #e1796a;
$custom-dark: #000000;

JSON

{
  "hex": "#c73a31",
  "rgb": {
    "r": 199,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 3.6,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55708,
    "c": 0.17932,
    "h": 28.1
  },
  "luminance": 0.1539
}

Semantic roles & 50–950 ramp

primary

#C73A31

secondary

#86CACE

accent

#DAE444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C73A31

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

Preview Lab → · Contrast checker → · Palette generator →