#EF4243#EF4243

#EF4243 is a light, highly saturated red. Relative luminance 0.227; OKLCH L 63.5% C 0.210 H 25.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#EF4243
RGB	rgb(239, 66, 67)
HSL	hsl(360, 84%, 60%)
HSV	hsv(360, 72%, 94%)
CMYK	cmyk(0%, 72.4%, 72%, 6.3%)
CIE-LAB	lab(54.72, 65.33, 39.39)
CIE-LCH	lch(54.72, 76.29, 31.09°)
OKLab	oklab(63.49% 0.1897 0.0893)
OKLCH	oklch(63.49% 0.21 25.2)
XYZ	xyz(38.5623, 22.6583, 7.6521)
Luminance	0.2265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF4243 #42EFEE

analogous

#EF429A #EF4243 #EF9742

triadic

#EF4243 #43EF42 #4243EF

tetradic

#EF4243 #9AEF42 #42EFEE #9742EF

square

#EF4243 #9AEF42 #42EFEE #9742EF

split-complementary

#EF4243 #42EF97 #429AEF

monochromatic

#A80E0F #E11314 #EF4243 #F47A7B #F9B3B3

Accessibility & contrast

On white

3.80

#EF4243 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#EF4243 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF4243

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF4243	#FFFFFF	#000000	##000000
##EF4243	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756B41

Deuteranopia (green-blind)

#A0913D

Tritanopia (blue-blind)

#FF0045

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #ef4243;
/* rgb */ color: rgb(239, 66, 67);
/* oklch */ color: oklch(63.5% 0.210 25.2);

Tailwind

colors: {
  custom: {
    50: '#fd8277',
    500: '#ef4243',
    950: '#000000',
  },
}

SCSS

$custom: #ef4243;
$custom-light: #fd8277;
$custom-dark: #000000;

JSON

{
  "hex": "#ef4243",
  "rgb": {
    "r": 239,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 359.653,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63486,
    "c": 0.20965,
    "h": 25.2
  },
  "luminance": 0.22652
}

Semantic roles & 50–950 ramp

primary

#EF4243

secondary

#A5E8E7

accent

#FBF92D

background

#FFF8F7

surface

#FFF0ED

border

#D7CBC8

text

#1A0C09

muted

#877D7B

Preview Lab

Preview with #EF4243

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

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