#C03747#C03747

#C03747 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.173 H 18.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#C03747
RGB	rgb(192, 55, 71)
HSL	hsl(353, 55%, 48%)
HSV	hsv(353, 71%, 75%)
CMYK	cmyk(0%, 71.4%, 63%, 24.7%)
CIE-LAB	lab(44.80, 55.04, 22.98)
CIE-LCH	lch(44.80, 59.64, 22.66°)
OKLab	oklab(54.55% 0.1637 0.0553)
OKLCH	oklch(54.55% 0.173 18.7)
XYZ	xyz(24.2442, 14.3973, 7.4624)
Luminance	0.1439 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03747 #37C0B0

analogous

#C0378B #C03747 #C06B37

triadic

#C03747 #47C037 #3747C0

tetradic

#C03747 #8BC037 #37C0B0 #6B37C0

square

#C03747 #8BC037 #37C0B0 #6B37C0

split-complementary

#C03747 #37C06B #378BC0

monochromatic

#611C24 #902935 #C03747 #D2626F #E0929B

Accessibility & contrast

On white

5.41

#C03747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C03747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03747

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03747	#FFFFFF	#000000	##FFFFFF
##C03747	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5847

Deuteranopia (green-blind)

#7F7543

Tritanopia (blue-blind)

#D20C3E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03747;
/* rgb */ color: rgb(192, 55, 71);
/* oklch */ color: oklch(54.6% 0.173 18.7);

Tailwind

colors: {
  custom: {
    50: '#da787a',
    500: '#c03747',
    950: '#000000',
  },
}

SCSS

$custom: #c03747;
$custom-light: #da787a;
$custom-dark: #000000;

JSON

{
  "hex": "#c03747",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 352.993,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54553,
    "c": 0.17276,
    "h": 18.7
  },
  "luminance": 0.14394
}

Semantic roles & 50–950 ramp

primary

#C03747

secondary

#88CBC3

accent

#DFCD49

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160909

muted

#847B7B

Preview Lab

Preview with #C03747

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

Preview Lab → · Contrast checker → · Palette generator →