#D43E40#D43E40

#D43E40 is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.5% C 0.187 H 24.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#D43E40
RGB	rgb(212, 62, 64)
HSL	hsl(359, 64%, 54%)
HSV	hsv(359, 71%, 83%)
CMYK	cmyk(0%, 70.8%, 69.8%, 16.9%)
CIE-LAB	lab(49.27, 58.33, 33.51)
CIE-LCH	lch(49.27, 67.27, 29.87°)
OKLab	oklab(58.52% 0.1702 0.0772)
OKLCH	oklch(58.52% 0.187 24.4)
XYZ	xyz(29.8027, 17.8169, 6.7192)
Luminance	0.1781 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43E40 #3ED4D2

analogous

#D43E8B #D43E40 #D4873E

triadic

#D43E40 #40D43E #3E40D4

tetradic

#D43E40 #8BD43E #3ED4D2 #873ED4

square

#D43E40 #8BD43E #3ED4D2 #873ED4

split-complementary

#D43E40 #3ED487 #3E8BD4

monochromatic

#7C1C1D #AE2729 #D43E40 #DF7072 #EAA2A3

Accessibility & contrast

On white

4.60

#D43E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#D43E40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43E40

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43E40	#FFFFFF	#000000	##FFFFFF
##D43E40	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69613F

Deuteranopia (green-blind)

#8E813B

Tritanopia (blue-blind)

#E90340

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43e40;
/* rgb */ color: rgb(212, 62, 64);
/* oklch */ color: oklch(58.5% 0.187 24.4);

Tailwind

colors: {
  custom: {
    50: '#ea7d75',
    500: '#d43e40',
    950: '#000000',
  },
}

SCSS

$custom: #d43e40;
$custom-light: #ea7d75;
$custom-dark: #000000;

JSON

{
  "hex": "#d43e40",
  "rgb": {
    "r": 212,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 359.2,
    "s": 63.559,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58522,
    "c": 0.18689,
    "h": 24.4
  },
  "luminance": 0.17812
}

Semantic roles & 50–950 ramp

primary

#D43E40

secondary

#97D7D6

accent

#E7E441

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D43E40

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

Preview Lab → · Contrast checker → · Palette generator →