#D43633#D43633

#D43633 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.6% C 0.195 H 26.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#D43633
RGB	rgb(212, 54, 51)
HSL	hsl(1, 65%, 52%)
HSV	hsv(1, 76%, 83%)
CMYK	cmyk(0%, 74.5%, 75.9%, 16.9%)
CIE-LAB	lab(48.11, 60.56, 39.59)
CIE-LCH	lch(48.11, 72.35, 33.18°)
OKLab	oklab(57.6% 0.1745 0.0877)
OKLCH	oklch(57.6% 0.195 26.7)
XYZ	xyz(29.0715, 16.8789, 4.8585)
Luminance	0.1687 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43633 #33D1D4

analogous

#D43381 #D43633 #D48733

triadic

#D43633 #33D436 #3633D4

tetradic

#D43633 #81D433 #33D1D4 #8733D4

square

#D43633 #81D433 #33D1D4 #8733D4

split-complementary

#D43633 #33D487 #3381D4

monochromatic

#741A18 #A72623 #D43633 #DF6866 #E99A98

Accessibility & contrast

On white

4.80

#D43633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#D43633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D43633

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43633	#FFFFFF	#000000	##FFFFFF
##D43633	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C31

Deuteranopia (green-blind)

#8D7F2D

Tritanopia (blue-blind)

#E90037

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d43633;
/* rgb */ color: rgb(212, 54, 51);
/* oklch */ color: oklch(57.6% 0.195 26.7);

Tailwind

colors: {
  custom: {
    50: '#eb796b',
    500: '#d43633',
    950: '#000000',
  },
}

SCSS

$custom: #d43633;
$custom-light: #eb796b;
$custom-dark: #000000;

JSON

{
  "hex": "#d43633",
  "rgb": {
    "r": 212,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.118,
    "s": 65.182,
    "l": 51.569
  },
  "oklch": {
    "l": 0.576,
    "c": 0.19532,
    "h": 26.7
  },
  "luminance": 0.16874
}

Semantic roles & 50–950 ramp

primary

#D43633

secondary

#8ED3D5

accent

#E5E840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D43633

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

Preview Lab → · Contrast checker → · Palette generator →