#C73B38#C73B38

#C73B38 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.177 H 26.0°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C73B38
RGB	rgb(199, 59, 56)
HSL	hsl(1, 56%, 50%)
HSV	hsv(1, 72%, 78%)
CMYK	cmyk(0%, 70.4%, 71.9%, 22%)
CIE-LAB	lab(46.39, 54.95, 34.16)
CIE-LCH	lch(46.39, 64.71, 31.87°)
OKLab	oklab(55.9% 0.1594 0.0778)
OKLCH	oklch(55.9% 0.177 26)
XYZ	xyz(25.8338, 15.5594, 5.3836)
Luminance	0.1556 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B38 #38C4C7

analogous

#C7387C #C73B38 #C78338

triadic

#C73B38 #38C73B #3B38C7

tetradic

#C73B38 #7CC738 #38C4C7 #8338C7

square

#C73B38 #7CC738 #38C4C7 #8338C7

split-complementary

#C73B38 #38C783 #387CC7

monochromatic

#671F1D #972D2B #C73B38 #D46A68 #E29998

Accessibility & contrast

On white

5.11

#C73B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C73B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B38

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B38	#FFFFFF	#000000	##FFFFFF
##C73B38	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B36

Deuteranopia (green-blind)

#867933

Tritanopia (blue-blind)

#DB063C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73b38;
/* rgb */ color: rgb(199, 59, 56);
/* oklch */ color: oklch(55.9% 0.177 26.0);

Tailwind

colors: {
  custom: {
    50: '#e07a6f',
    500: '#c73b38',
    950: '#000000',
  },
}

SCSS

$custom: #c73b38;
$custom-light: #e07a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b38",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 1.259,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.55902,
    "c": 0.17742,
    "h": 26
  },
  "luminance": 0.15556
}

Semantic roles & 50–950 ramp

primary

#C73B38

secondary

#8DCCCD

accent

#DCDF48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73B38

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

Preview Lab → · Contrast checker → · Palette generator →