#D03D37#D03D37

#D03D37 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.6% C 0.185 H 27.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#D03D37
RGB	rgb(208, 61, 55)
HSL	hsl(2, 62%, 52%)
HSV	hsv(2, 74%, 82%)
CMYK	cmyk(0%, 70.7%, 73.6%, 18.4%)
CIE-LAB	lab(48.29, 57.04, 37.34)
CIE-LCH	lch(48.29, 68.17, 33.21°)
OKLab	oklab(57.62% 0.1647 0.0841)
OKLCH	oklch(57.62% 0.185 27)
XYZ	xyz(28.3740, 17.0275, 5.4063)
Luminance	0.1702 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03D37 #37CAD0

analogous

#D0377E #D03D37 #D08A37

triadic

#D03D37 #37D03D #3D37D0

tetradic

#D03D37 #7ED037 #37CAD0 #8A37D0

square

#D03D37 #7ED037 #37CAD0 #8A37D0

split-complementary

#D03D37 #37D08A #377ED0

monochromatic

#721E1B #A32B26 #D03D37 #DC6D69 #E79D9A

Accessibility & contrast

On white

4.77

#D03D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#D03D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03D37

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03D37	#FFFFFF	#000000	##FFFFFF
##D03D37	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E35

Deuteranopia (green-blind)

#8C7E32

Tritanopia (blue-blind)

#E5003D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d03d37;
/* rgb */ color: rgb(208, 61, 55);
/* oklch */ color: oklch(57.6% 0.185 27.0);

Tailwind

colors: {
  custom: {
    50: '#e77c6e',
    500: '#d03d37',
    950: '#000000',
  },
}

SCSS

$custom: #d03d37;
$custom-light: #e77c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d03d37",
  "rgb": {
    "r": 208,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.353,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57621,
    "c": 0.18492,
    "h": 27
  },
  "luminance": 0.17023
}

Semantic roles & 50–950 ramp

primary

#D03D37

secondary

#90D0D3

accent

#DFE543

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03D37

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

Preview Lab → · Contrast checker → · Palette generator →