#EF6364#EF6364

#EF6364 is a light, vivid red. Relative luminance 0.282; OKLCH L 67.7% C 0.173 H 22.5°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#EF6364
RGB	rgb(239, 99, 100)
HSL	hsl(360, 81%, 66%)
HSV	hsv(360, 59%, 94%)
CMYK	cmyk(0%, 58.6%, 58.2%, 6.3%)
CIE-LAB	lab(60.07, 54.05, 27.25)
CIE-LCH	lch(60.07, 60.53, 26.76°)
OKLab	oklab(67.66% 0.1602 0.0663)
OKLCH	oklch(67.66% 0.173 22.5)
XYZ	xyz(42.3625, 28.1999, 15.2665)
Luminance	0.2819 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF6364 #63EFEE

analogous

#EF63AA #EF6364 #EFA863

triadic

#EF6364 #64EF63 #6364EF

tetradic

#EF6364 #AAEF63 #63EFEE #A863EF

square

#EF6364 #AAEF63 #63EFEE #A863EF

split-complementary

#EF6364 #63EFA8 #63AAEF

monochromatic

#C41415 #E92B2D #EF6364 #F59B9B #FAD2D2

Accessibility & contrast

On white

3.16

#EF6364 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#EF6364 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF6364

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF6364	#FFFFFF	#000000	##000000
##EF6364	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867E63

Deuteranopia (green-blind)

#A99C61

Tritanopia (blue-blind)

#FF4965

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #ef6364;
/* rgb */ color: rgb(239, 99, 100);
/* oklch */ color: oklch(67.7% 0.173 22.5);

Tailwind

colors: {
  custom: {
    50: '#fa9490',
    500: '#ef6364',
    950: '#000000',
  },
}

SCSS

$custom: #ef6364;
$custom-light: #fa9490;
$custom-dark: #000000;

JSON

{
  "hex": "#ef6364",
  "rgb": {
    "r": 239,
    "g": 99,
    "b": 100
  },
  "hsl": {
    "h": 359.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.67655,
    "c": 0.17342,
    "h": 22.5
  },
  "luminance": 0.28195
}

Semantic roles & 50–950 ramp

primary

#EF6364

secondary

#C0EEED

accent

#DEDC08

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#190E0C

muted

#877E7D

Preview Lab

Preview with #EF6364

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

Preview Lab → · Contrast checker → · Palette generator →