#D43F3E#D43F3E

#D43F3E is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.6% C 0.186 H 25.3°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#D43F3E
RGB	rgb(212, 63, 62)
HSL	hsl(0, 64%, 54%)
HSV	hsv(0, 71%, 83%)
CMYK	cmyk(0%, 70.3%, 70.8%, 16.9%)
CIE-LAB	lab(49.38, 57.87, 34.79)
CIE-LCH	lch(49.38, 67.52, 31.01°)
OKLab	oklab(58.59% 0.1683 0.0797)
OKLCH	oklch(58.59% 0.186 25.3)
XYZ	xyz(29.8017, 17.9043, 6.4431)
Luminance	0.1790 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43F3E #3ED3D4

analogous

#D43E88 #D43F3E #D48A3E

triadic

#D43F3E #3ED43F #3F3ED4

tetradic

#D43F3E #88D43E #3ED3D4 #8A3ED4

square

#D43F3E #88D43E #3ED3D4 #8A3ED4

split-complementary

#D43F3E #3ED48A #3E88D4

monochromatic

#7C1C1C #AE2827 #D43F3E #DF7170 #EAA3A2

Accessibility & contrast

On white

4.59

#D43F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#D43F3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43F3E

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43F3E	#FFFFFF	#000000	##FFFFFF
##D43F3E	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)

#6A613C

Deuteranopia (green-blind)

#8F8139

Tritanopia (blue-blind)

#E90641

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43f3e;
/* rgb */ color: rgb(212, 63, 62);
/* oklch */ color: oklch(58.6% 0.186 25.3);

Tailwind

colors: {
  custom: {
    50: '#ea7e73',
    500: '#d43f3e',
    950: '#000000',
  },
}

SCSS

$custom: #d43f3e;
$custom-light: #ea7e73;
$custom-dark: #000000;

JSON

{
  "hex": "#d43f3e",
  "rgb": {
    "r": 212,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 0.4,
    "s": 63.559,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58593,
    "c": 0.18622,
    "h": 25.3
  },
  "luminance": 0.179
}

Semantic roles & 50–950 ramp

primary

#D43F3E

secondary

#97D7D7

accent

#E5E741

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D43F3E

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

Preview Lab → · Contrast checker → · Palette generator →