#D63738#D63738

#D63738 is a mid, vivid red. Relative luminance 0.173; OKLCH L 58.1% C 0.196 H 25.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#D63738
RGB	rgb(214, 55, 56)
HSL	hsl(360, 66%, 53%)
HSV	hsv(360, 74%, 84%)
CMYK	cmyk(0%, 74.3%, 73.8%, 16.1%)
CIE-LAB	lab(48.66, 61.03, 37.49)
CIE-LCH	lch(48.66, 71.62, 31.56°)
OKLab	oklab(58.1% 0.1768 0.0842)
OKLCH	oklch(58.1% 0.196 25.5)
XYZ	xyz(29.8150, 17.3187, 5.5136)
Luminance	0.1731 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D63738 #37D6D5

analogous

#D63787 #D63738 #D68637

triadic

#D63738 #38D637 #3738D6

tetradic

#D63738 #87D637 #37D6D5 #8637D6

square

#D63738 #87D637 #37D6D5 #8637D6

split-complementary

#D63738 #37D686 #3787D6

monochromatic

#7A191A #AC2324 #D63738 #E06A6B #EB9D9D

Accessibility & contrast

On white

4.71

#D63738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#D63738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D63738

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D63738	#FFFFFF	#000000	##FFFFFF
##D63738	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E36

Deuteranopia (green-blind)

#8E8032

Tritanopia (blue-blind)

#EB003A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d63738;
/* rgb */ color: rgb(214, 55, 56);
/* oklch */ color: oklch(58.1% 0.196 25.5);

Tailwind

colors: {
  custom: {
    50: '#ec7a6f',
    500: '#d63738',
    950: '#000000',
  },
}

SCSS

$custom: #d63738;
$custom-light: #ec7a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#d63738",
  "rgb": {
    "r": 214,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.623,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58097,
    "c": 0.19584,
    "h": 25.5
  },
  "luminance": 0.17314
}

Semantic roles & 50–950 ramp

primary

#D63738

secondary

#92D7D6

accent

#E9E83F

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D63738

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

Preview Lab → · Contrast checker → · Palette generator →