#D43733#D43733

#D43733 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.7% C 0.195 H 26.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#D43733
RGB	rgb(212, 55, 51)
HSL	hsl(1, 65%, 52%)
HSV	hsv(1, 76%, 83%)
CMYK	cmyk(0%, 74.1%, 75.9%, 16.9%)
CIE-LAB	lab(48.23, 60.23, 39.72)
CIE-LCH	lch(48.23, 72.15, 33.40°)
OKLab	oklab(57.69% 0.1735 0.088)
OKLCH	oklch(57.69% 0.195 26.9)
XYZ	xyz(29.1185, 16.9730, 4.8742)
Luminance	0.1697 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43733 #33D0D4

analogous

#D43380 #D43733 #D48833

triadic

#D43733 #33D437 #3733D4

tetradic

#D43733 #80D433 #33D0D4 #8833D4

square

#D43733 #80D433 #33D0D4 #8833D4

split-complementary

#D43733 #33D488 #3380D4

monochromatic

#741B18 #A72623 #D43733 #DF6966 #E99A98

Accessibility & contrast

On white

4.78

#D43733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#D43733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D43733

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43733	#FFFFFF	#000000	##FFFFFF
##D43733	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D31

Deuteranopia (green-blind)

#8D7F2D

Tritanopia (blue-blind)

#E90038

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d43733;
/* rgb */ color: rgb(212, 55, 51);
/* oklch */ color: oklch(57.7% 0.195 26.9);

Tailwind

colors: {
  custom: {
    50: '#eb7a6b',
    500: '#d43733',
    950: '#000000',
  },
}

SCSS

$custom: #d43733;
$custom-light: #eb7a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#d43733",
  "rgb": {
    "r": 212,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.491,
    "s": 65.182,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57689,
    "c": 0.19452,
    "h": 26.9
  },
  "luminance": 0.16968
}

Semantic roles & 50–950 ramp

primary

#D43733

secondary

#8ED3D5

accent

#E4E840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D43733

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

Preview Lab → · Contrast checker → · Palette generator →