#EF6366#EF6366

#EF6366 is a light, vivid red. Relative luminance 0.282; OKLCH L 67.7% C 0.173 H 21.7°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#EF6366
RGB	rgb(239, 99, 102)
HSL	hsl(359, 81%, 66%)
HSV	hsv(359, 59%, 94%)
CMYK	cmyk(0%, 58.6%, 57.3%, 6.3%)
CIE-LAB	lab(60.10, 54.19, 26.15)
CIE-LCH	lch(60.10, 60.17, 25.76°)
OKLab	oklab(67.69% 0.161 0.0639)
OKLCH	oklch(67.69% 0.173 21.7)
XYZ	xyz(42.4605, 28.2391, 15.7825)
Luminance	0.2823 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF6366 #63EFEC

analogous

#EF63AC #EF6366 #EFA663

triadic

#EF6366 #66EF63 #6366EF

tetradic

#EF6366 #ACEF63 #63EFEC #A663EF

square

#EF6366 #ACEF63 #63EFEC #A663EF

split-complementary

#EF6366 #63EFA6 #63ACEF

monochromatic

#C41418 #E92B30 #EF6366 #F59B9C #FAD2D3

Accessibility & contrast

On white

3.16

#EF6366 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#EF6366 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF6366

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF6366	#FFFFFF	#000000	##000000
##EF6366	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857E65

Deuteranopia (green-blind)

#A89C63

Tritanopia (blue-blind)

#FF4A65

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #ef6366;
/* rgb */ color: rgb(239, 99, 102);
/* oklch */ color: oklch(67.7% 0.173 21.7);

Tailwind

colors: {
  custom: {
    50: '#fa9491',
    500: '#ef6366',
    950: '#000000',
  },
}

SCSS

$custom: #ef6366;
$custom-light: #fa9491;
$custom-dark: #000000;

JSON

{
  "hex": "#ef6366",
  "rgb": {
    "r": 239,
    "g": 99,
    "b": 102
  },
  "hsl": {
    "h": 358.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.67693,
    "c": 0.17322,
    "h": 21.7
  },
  "luminance": 0.28234
}

Semantic roles & 50–950 ramp

primary

#EF6366

secondary

#C0EEED

accent

#DED908

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#190E0C

muted

#877E7D

Preview Lab

Preview with #EF6366

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

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