#E43F43#E43F43

#E43F43 is a mid, highly saturated red. Relative luminance 0.205; OKLCH L 61.4% C 0.202 H 24.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#E43F43
RGB	rgb(228, 63, 67)
HSL	hsl(359, 75%, 57%)
HSV	hsv(359, 72%, 89%)
CMYK	cmyk(0%, 72.4%, 70.6%, 10.6%)
CIE-LAB	lab(52.35, 63.04, 36.13)
CIE-LCH	lch(52.35, 72.66, 29.82°)
OKLab	oklab(61.36% 0.1838 0.0827)
OKLCH	oklch(61.36% 0.202 24.2)
XYZ	xyz(34.7894, 20.4595, 7.4263)
Luminance	0.2045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E43F43 #3FE4E0

analogous

#E43F96 #E43F43 #E48D3F

triadic

#E43F43 #43E43F #3F43E4

tetradic

#E43F43 #96E43F #3FE4E0 #8D3FE4

square

#E43F43 #96E43F #3FE4E0 #8D3FE4

split-complementary

#E43F43 #3FE48D #3F96E4

monochromatic

#941518 #C91C21 #E43F43 #EC7578 #F3AAAC

Accessibility & contrast

On white

4.13

#E43F43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#E43F43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E43F43

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E43F43	#FFFFFF	#000000	##000000
##E43F43	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6641

Deuteranopia (green-blind)

#988A3D

Tritanopia (blue-blind)

#FA0042

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #e43f43;
/* rgb */ color: rgb(228, 63, 67);
/* oklch */ color: oklch(61.4% 0.202 24.2);

Tailwind

colors: {
  custom: {
    50: '#f58077',
    500: '#e43f43',
    950: '#000000',
  },
}

SCSS

$custom: #e43f43;
$custom-light: #f58077;
$custom-dark: #000000;

JSON

{
  "hex": "#e43f43",
  "rgb": {
    "r": 228,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 358.545,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.61361,
    "c": 0.20153,
    "h": 24.2
  },
  "luminance": 0.20454
}

Semantic roles & 50–950 ramp

primary

#E43F43

secondary

#9EE1DF

accent

#F2ED36

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E43F43

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

Preview Lab → · Contrast checker → · Palette generator →