#D43F3D#D43F3D

#D43F3D is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.6% C 0.186 H 25.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#D43F3D
RGB	rgb(212, 63, 61)
HSL	hsl(1, 64%, 54%)
HSV	hsv(1, 71%, 83%)
CMYK	cmyk(0%, 70.3%, 71.2%, 16.9%)
CIE-LAB	lab(49.37, 57.82, 35.35)
CIE-LCH	lch(49.37, 67.77, 31.44°)
OKLab	oklab(58.58% 0.168 0.0807)
OKLCH	oklch(58.58% 0.186 25.7)
XYZ	xyz(29.7745, 17.8934, 6.3000)
Luminance	0.1789 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43F3D #3DD2D4

analogous

#D43D86 #D43F3D #D48A3D

triadic

#D43F3D #3DD43F #3F3DD4

tetradic

#D43F3D #86D43D #3DD2D4 #8A3DD4

square

#D43F3D #86D43D #3DD2D4 #8A3DD4

split-complementary

#D43F3D #3DD48A #3D86D4

monochromatic

#7B1D1B #AD2826 #D43F3D #DF716F #EAA2A1

Accessibility & contrast

On white

4.59

#D43F3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#D43F3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43F3D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43F3D	#FFFFFF	#000000	##FFFFFF
##D43F3D	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A613B

Deuteranopia (green-blind)

#8F8138

Tritanopia (blue-blind)

#E90540

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43f3d;
/* rgb */ color: rgb(212, 63, 61);
/* oklch */ color: oklch(58.6% 0.186 25.7);

Tailwind

colors: {
  custom: {
    50: '#ea7e73',
    500: '#d43f3d',
    950: '#000000',
  },
}

SCSS

$custom: #d43f3d;
$custom-light: #ea7e73;
$custom-dark: #000000;

JSON

{
  "hex": "#d43f3d",
  "rgb": {
    "r": 212,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 0.795,
    "s": 63.713,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58578,
    "c": 0.18635,
    "h": 25.7
  },
  "luminance": 0.17889
}

Semantic roles & 50–950 ramp

primary

#D43F3D

secondary

#96D6D7

accent

#E5E741

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D43F3D

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

Preview Lab → · Contrast checker → · Palette generator →