#E04243#E04243

#E04243 is a mid, vivid red. Relative luminance 0.201; OKLCH L 61.0% C 0.195 H 24.8°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#E04243
RGB	rgb(224, 66, 67)
HSL	hsl(360, 72%, 57%)
HSV	hsv(360, 71%, 88%)
CMYK	cmyk(0%, 70.5%, 70.1%, 12.2%)
CIE-LAB	lab(52.01, 60.76, 35.55)
CIE-LCH	lch(52.01, 70.40, 30.33°)
OKLab	oklab(60.97% 0.177 0.0817)
OKLCH	oklch(60.97% 0.195 24.8)
XYZ	xyz(33.7055, 20.1540, 7.4244)
Luminance	0.2015 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E04243 #42E0DF

analogous

#E04292 #E04243 #E09042

triadic

#E04243 #43E042 #4243E0

tetradic

#E04243 #92E042 #42E0DF #9042E0

square

#E04243 #92E042 #42E0DF #9042E0

split-complementary

#E04243 #42E090 #4292E0

monochromatic

#901818 #C52021 #E04243 #E97777 #F1ABAC

Accessibility & contrast

On white

4.18

#E04243 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#E04243 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E04243

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E04243	#FFFFFF	#000000	##000000
##E04243	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6641

Deuteranopia (green-blind)

#97883E

Tritanopia (blue-blind)

#F60244

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #e04243;
/* rgb */ color: rgb(224, 66, 67);
/* oklch */ color: oklch(61.0% 0.195 24.8);

Tailwind

colors: {
  custom: {
    50: '#f28177',
    500: '#e04243',
    950: '#000000',
  },
}

SCSS

$custom: #e04243;
$custom-light: #f28177;
$custom-dark: #000000;

JSON

{
  "hex": "#e04243",
  "rgb": {
    "r": 224,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 359.62,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60974,
    "c": 0.19496,
    "h": 24.8
  },
  "luminance": 0.20149
}

Semantic roles & 50–950 ramp

primary

#E04243

secondary

#9FDFDF

accent

#EFED39

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E04243

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

Preview Lab → · Contrast checker → · Palette generator →