#D43E3F#D43E3F

#D43E3F is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.5% C 0.187 H 24.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#D43E3F
RGB	rgb(212, 62, 63)
HSL	hsl(360, 64%, 54%)
HSV	hsv(360, 71%, 83%)
CMYK	cmyk(0%, 70.8%, 70.3%, 16.9%)
CIE-LAB	lab(49.26, 58.29, 34.07)
CIE-LCH	lch(49.26, 67.51, 30.31°)
OKLab	oklab(58.51% 0.1698 0.0783)
OKLCH	oklch(58.51% 0.187 24.7)
XYZ	xyz(29.7745, 17.8056, 6.5707)
Luminance	0.1780 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43E3F #3ED4D3

analogous

#D43E8A #D43E3F #D4883E

triadic

#D43E3F #3FD43E #3E3FD4

tetradic

#D43E3F #8AD43E #3ED4D3 #883ED4

square

#D43E3F #8AD43E #3ED4D3 #883ED4

split-complementary

#D43E3F #3ED488 #3E8AD4

monochromatic

#7C1C1C #AE2728 #D43E3F #DF7071 #EAA2A3

Accessibility & contrast

On white

4.61

#D43E3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#D43E3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43E3F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43E3F	#FFFFFF	#000000	##FFFFFF
##D43E3F	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603E

Deuteranopia (green-blind)

#8E813A

Tritanopia (blue-blind)

#E90240

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43e3f;
/* rgb */ color: rgb(212, 62, 63);
/* oklch */ color: oklch(58.5% 0.187 24.7);

Tailwind

colors: {
  custom: {
    50: '#ea7d74',
    500: '#d43e3f',
    950: '#000000',
  },
}

SCSS

$custom: #d43e3f;
$custom-light: #ea7d74;
$custom-dark: #000000;

JSON

{
  "hex": "#d43e3f",
  "rgb": {
    "r": 212,
    "g": 62,
    "b": 63
  },
  "hsl": {
    "h": 359.6,
    "s": 63.559,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58507,
    "c": 0.18701,
    "h": 24.7
  },
  "luminance": 0.17801
}

Semantic roles & 50–950 ramp

primary

#D43E3F

secondary

#97D7D7

accent

#E7E541

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D43E3F

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

Preview Lab → · Contrast checker → · Palette generator →