#D3373A#D3373A

#D3373A is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.6% C 0.193 H 24.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#D3373A
RGB	rgb(211, 55, 58)
HSL	hsl(359, 64%, 52%)
HSV	hsv(359, 74%, 83%)
CMYK	cmyk(0%, 73.9%, 72.5%, 17.3%)
CIE-LAB	lab(48.12, 60.21, 35.58)
CIE-LCH	lch(48.12, 69.93, 30.58°)
OKLab	oklab(57.61% 0.175 0.0807)
OKLCH	oklch(57.61% 0.193 24.8)
XYZ	xyz(28.9972, 16.8912, 5.7357)
Luminance	0.1689 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D3373A #37D3D0

analogous

#D33788 #D3373A #D38237

triadic

#D3373A #3AD337 #373AD3

tetradic

#D3373A #88D337 #37D3D0 #8237D3

square

#D3373A #88D337 #37D3D0 #8237D3

split-complementary

#D3373A #37D382 #3788D3

monochromatic

#761A1C #A82527 #D3373A #DE696B #E99B9D

Accessibility & contrast

On white

4.80

#D3373A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#D3373A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D3373A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D3373A	#FFFFFF	#000000	##FFFFFF
##D3373A	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D38

Deuteranopia (green-blind)

#8C7E34

Tritanopia (blue-blind)

#E8003A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d3373a;
/* rgb */ color: rgb(211, 55, 58);
/* oklch */ color: oklch(57.6% 0.193 24.8);

Tailwind

colors: {
  custom: {
    50: '#e97a70',
    500: '#d3373a',
    950: '#000000',
  },
}

SCSS

$custom: #d3373a;
$custom-light: #e97a70;
$custom-dark: #000000;

JSON

{
  "hex": "#d3373a",
  "rgb": {
    "r": 211,
    "g": 55,
    "b": 58
  },
  "hsl": {
    "h": 358.846,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57605,
    "c": 0.19269,
    "h": 24.8
  },
  "luminance": 0.16887
}

Semantic roles & 50–950 ramp

primary

#D3373A

secondary

#91D5D4

accent

#E7E441

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D3373A

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

Preview Lab → · Contrast checker → · Palette generator →