#D43D3D#D43D3D

#D43D3D is a mid, vivid red. Relative luminance 0.177; OKLCH L 58.4% C 0.188 H 25.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#D43D3D
RGB	rgb(212, 61, 61)
HSL	hsl(0, 64%, 54%)
HSV	hsv(0, 71%, 83%)
CMYK	cmyk(0%, 71.2%, 71.2%, 16.9%)
CIE-LAB	lab(49.10, 58.56, 35.04)
CIE-LCH	lch(49.10, 68.24, 30.89°)
OKLab	oklab(58.38% 0.1703 0.08)
OKLCH	oklch(58.38% 0.188 25.2)
XYZ	xyz(29.6657, 17.6759, 6.2637)
Luminance	0.1767 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43D3D #3DD4D4

analogous

#D43D88 #D43D3D #D4883D

triadic

#D43D3D #3DD43D #3D3DD4

tetradic

#D43D3D #88D43D #3DD4D4 #883DD4

square

#D43D3D #88D43D #3DD4D4 #883DD4

split-complementary

#D43D3D #3DD488 #3D88D4

monochromatic

#7B1B1B #AD2626 #D43D3D #DF6F6F #EAA1A1

Accessibility & contrast

On white

4.63

#D43D3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#D43D3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43D3D

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43D3D	#FFFFFF	#000000	##FFFFFF
##D43D3D	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603B

Deuteranopia (green-blind)

#8E8138

Tritanopia (blue-blind)

#E9003F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43d3d;
/* rgb */ color: rgb(212, 61, 61);
/* oklch */ color: oklch(58.4% 0.188 25.2);

Tailwind

colors: {
  custom: {
    50: '#ea7d73',
    500: '#d43d3d',
    950: '#000000',
  },
}

SCSS

$custom: #d43d3d;
$custom-light: #ea7d73;
$custom-dark: #000000;

JSON

{
  "hex": "#d43d3d",
  "rgb": {
    "r": 212,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 63.713,
    "l": 53.529
  },
  "oklch": {
    "l": 0.5838,
    "c": 0.18815,
    "h": 25.2
  },
  "luminance": 0.17671
}

Semantic roles & 50–950 ramp

primary

#D43D3D

secondary

#96D7D7

accent

#E7E741

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D43D3D

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

Preview Lab → · Contrast checker → · Palette generator →