#C03744#C03744

#C03744 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.5% C 0.173 H 20.0°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#C03744
RGB	rgb(192, 55, 68)
HSL	hsl(354, 55%, 48%)
HSV	hsv(354, 71%, 75%)
CMYK	cmyk(0%, 71.4%, 64.6%, 24.7%)
CIE-LAB	lab(44.74, 54.86, 24.73)
CIE-LCH	lch(44.74, 60.18, 24.27°)
OKLab	oklab(54.5% 0.1625 0.059)
OKLCH	oklch(54.5% 0.173 20)
XYZ	xyz(24.1503, 14.3597, 6.9678)
Luminance	0.1436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03744 #37C0B3

analogous

#C03788 #C03744 #C06F37

triadic

#C03744 #44C037 #3744C0

tetradic

#C03744 #88C037 #37C0B3 #6F37C0

square

#C03744 #88C037 #37C0B3 #6F37C0

split-complementary

#C03744 #37C06F #3788C0

monochromatic

#611C22 #902933 #C03744 #D2626D #E09299

Accessibility & contrast

On white

5.42

#C03744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#C03744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03744

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03744	#FFFFFF	#000000	##FFFFFF
##C03744	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5743

Deuteranopia (green-blind)

#7F7440

Tritanopia (blue-blind)

#D3093D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03744;
/* rgb */ color: rgb(192, 55, 68);
/* oklch */ color: oklch(54.5% 0.173 20.0);

Tailwind

colors: {
  custom: {
    50: '#da7777',
    500: '#c03744',
    950: '#000000',
  },
}

SCSS

$custom: #c03744;
$custom-light: #da7777;
$custom-dark: #000000;

JSON

{
  "hex": "#c03744",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 354.307,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54496,
    "c": 0.17288,
    "h": 20
  },
  "luminance": 0.14356
}

Semantic roles & 50–950 ramp

primary

#C03744

secondary

#88CBC4

accent

#DFD149

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #C03744

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

Preview Lab → · Contrast checker → · Palette generator →