#D43D37#D43D37

#D43D37 is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.3% C 0.189 H 27.1°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D43D37
RGB	rgb(212, 61, 55)
HSL	hsl(2, 65%, 52%)
HSV	hsv(2, 74%, 83%)
CMYK	cmyk(0%, 71.2%, 74.1%, 16.9%)
CIE-LAB	lab(49.03, 58.30, 38.36)
CIE-LCH	lch(49.03, 69.79, 33.35°)
OKLab	oklab(58.3% 0.1682 0.086)
OKLCH	oklch(58.3% 0.189 27.1)
XYZ	xyz(29.5131, 17.6149, 5.4597)
Luminance	0.1761 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43D37 #37CED4

analogous

#D43780 #D43D37 #D48C37

triadic

#D43D37 #37D43D #3D37D4

tetradic

#D43D37 #80D437 #37CED4 #8C37D4

square

#D43D37 #80D437 #37CED4 #8C37D4

split-complementary

#D43D37 #37D48C #3780D4

monochromatic

#771D1A #A92924 #D43D37 #DF6E69 #EA9F9C

Accessibility & contrast

On white

4.64

#D43D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#D43D37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43D37

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43D37	#FFFFFF	#000000	##FFFFFF
##D43D37	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696035

Deuteranopia (green-blind)

#8F8031

Tritanopia (blue-blind)

#E9003D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d43d37;
/* rgb */ color: rgb(212, 61, 55);
/* oklch */ color: oklch(58.3% 0.189 27.1);

Tailwind

colors: {
  custom: {
    50: '#ea7d6e',
    500: '#d43d37',
    950: '#000000',
  },
}

SCSS

$custom: #d43d37;
$custom-light: #ea7d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d43d37",
  "rgb": {
    "r": 212,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.293,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.583,
    "c": 0.18894,
    "h": 27.1
  },
  "luminance": 0.1761
}

Semantic roles & 50–950 ramp

primary

#D43D37

secondary

#91D3D6

accent

#E1E840

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D43D37

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

Preview Lab → · Contrast checker → · Palette generator →