#D03A37#D03A37

#D03A37 is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.3% C 0.188 H 26.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#D03A37
RGB	rgb(208, 58, 55)
HSL	hsl(1, 62%, 52%)
HSV	hsv(1, 74%, 82%)
CMYK	cmyk(0%, 72.1%, 73.6%, 18.4%)
CIE-LAB	lab(47.90, 58.12, 36.90)
CIE-LCH	lch(47.90, 68.85, 32.41°)
OKLab	oklab(57.33% 0.1681 0.0831)
OKLCH	oklch(57.33% 0.188 26.3)
XYZ	xyz(28.2183, 16.7161, 5.3544)
Luminance	0.1671 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03A37 #37CDD0

analogous

#D03781 #D03A37 #D08637

triadic

#D03A37 #37D03A #3A37D0

tetradic

#D03A37 #81D037 #37CDD0 #8637D0

square

#D03A37 #81D037 #37CDD0 #8637D0

split-complementary

#D03A37 #37D086 #3781D0

monochromatic

#721C1B #A32926 #D03A37 #DC6B69 #E79C9A

Accessibility & contrast

On white

4.84

#D03A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#D03A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03A37

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03A37	#FFFFFF	#000000	##FFFFFF
##D03A37	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D35

Deuteranopia (green-blind)

#8B7E32

Tritanopia (blue-blind)

#E5003B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d03a37;
/* rgb */ color: rgb(208, 58, 55);
/* oklch */ color: oklch(57.3% 0.188 26.3);

Tailwind

colors: {
  custom: {
    50: '#e77b6e',
    500: '#d03a37',
    950: '#000000',
  },
}

SCSS

$custom: #d03a37;
$custom-light: #e77b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d03a37",
  "rgb": {
    "r": 208,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.176,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57326,
    "c": 0.18755,
    "h": 26.3
  },
  "luminance": 0.16712
}

Semantic roles & 50–950 ramp

primary

#D03A37

secondary

#90D2D3

accent

#E2E543

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03A37

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

Preview Lab → · Contrast checker → · Palette generator →