#D03C37#D03C37

#D03C37 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.5% C 0.186 H 26.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#D03C37
RGB	rgb(208, 60, 55)
HSL	hsl(2, 62%, 52%)
HSV	hsv(2, 74%, 82%)
CMYK	cmyk(0%, 71.2%, 73.6%, 18.4%)
CIE-LAB	lab(48.16, 57.40, 37.19)
CIE-LCH	lch(48.16, 68.40, 32.94°)
OKLab	oklab(57.52% 0.1659 0.0837)
OKLCH	oklch(57.52% 0.186 26.8)
XYZ	xyz(28.3211, 16.9217, 5.3887)
Luminance	0.1692 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03C37 #37CBD0

analogous

#D0377F #D03C37 #D08937

triadic

#D03C37 #37D03C #3C37D0

tetradic

#D03C37 #7FD037 #37CBD0 #8937D0

square

#D03C37 #7FD037 #37CBD0 #8937D0

split-complementary

#D03C37 #37D089 #377FD0

monochromatic

#721E1B #A32A26 #D03C37 #DC6C69 #E79D9A

Accessibility & contrast

On white

4.79

#D03C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#D03C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03C37

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03C37	#FFFFFF	#000000	##FFFFFF
##D03C37	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E35

Deuteranopia (green-blind)

#8C7E32

Tritanopia (blue-blind)

#E5003C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d03c37;
/* rgb */ color: rgb(208, 60, 55);
/* oklch */ color: oklch(57.5% 0.186 26.8);

Tailwind

colors: {
  custom: {
    50: '#e77c6e',
    500: '#d03c37',
    950: '#000000',
  },
}

SCSS

$custom: #d03c37;
$custom-light: #e77c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d03c37",
  "rgb": {
    "r": 208,
    "g": 60,
    "b": 55
  },
  "hsl": {
    "h": 1.961,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57521,
    "c": 0.1858,
    "h": 26.8
  },
  "luminance": 0.16917
}

Semantic roles & 50–950 ramp

primary

#D03C37

secondary

#90D1D3

accent

#E0E543

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03C37

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

Preview Lab → · Contrast checker → · Palette generator →