#D43333#D43333

#D43333 is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.3% C 0.198 H 26.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#D43333
RGB	rgb(212, 51, 51)
HSL	hsl(0, 65%, 52%)
HSV	hsv(0, 76%, 83%)
CMYK	cmyk(0%, 75.9%, 75.9%, 16.9%)
CIE-LAB	lab(47.76, 61.52, 39.22)
CIE-LCH	lch(47.76, 72.96, 32.52°)
OKLab	oklab(57.34% 0.1776 0.0869)
OKLCH	oklch(57.34% 0.198 26.1)
XYZ	xyz(28.9362, 16.6083, 4.8134)
Luminance	0.1660 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43333 #33D4D4

analogous

#D43384 #D43333 #D48433

triadic

#D43333 #33D433 #3333D4

tetradic

#D43333 #84D433 #33D4D4 #8433D4

square

#D43333 #84D433 #33D4D4 #8433D4

split-complementary

#D43333 #33D484 #3384D4

monochromatic

#741818 #A72323 #D43333 #DF6666 #E99898

Accessibility & contrast

On white

4.86

#D43333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#D43333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D43333

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43333	#FFFFFF	#000000	##FFFFFF
##D43333	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B31

Deuteranopia (green-blind)

#8C7E2D

Tritanopia (blue-blind)

#E90035

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d43333;
/* rgb */ color: rgb(212, 51, 51);
/* oklch */ color: oklch(57.3% 0.198 26.1);

Tailwind

colors: {
  custom: {
    50: '#eb786b',
    500: '#d43333',
    950: '#000000',
  },
}

SCSS

$custom: #d43333;
$custom-light: #eb786b;
$custom-dark: #000000;

JSON

{
  "hex": "#d43333",
  "rgb": {
    "r": 212,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 65.182,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57344,
    "c": 0.19767,
    "h": 26.1
  },
  "luminance": 0.16604
}

Semantic roles & 50–950 ramp

primary

#D43333

secondary

#8ED5D5

accent

#E8E840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D43333

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

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