#EF664C#EF664C

#EF664C is a light, vivid red. Relative luminance 0.284; OKLCH L 67.7% C 0.175 H 32.6°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#EF664C
RGB	rgb(239, 102, 76)
HSL	hsl(10, 84%, 62%)
HSV	hsv(10, 68%, 94%)
CMYK	cmyk(0%, 57.3%, 68.2%, 6.3%)
CIE-LAB	lab(60.23, 51.21, 40.84)
CIE-LCH	lch(60.23, 65.50, 38.57°)
OKLab	oklab(67.66% 0.1472 0.0941)
OKLCH	oklch(67.66% 0.175 32.6)
XYZ	xyz(41.6566, 28.3807, 10.1205)
Luminance	0.2838 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF664C #4CD5EF

analogous

#EF4C83 #EF664C #EFB84C

triadic

#EF664C #4CEF66 #664CEF

tetradic

#EF664C #83EF4C #4CD5EF #B84CEF

square

#EF664C #83EF4C #4CD5EF #B84CEF

split-complementary

#EF664C #4CEFB8 #4C83EF

monochromatic

#B12910 #E93715 #EF664C #F49684 #F9C6BC

Accessibility & contrast

On white

3.15

#EF664C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#EF664C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF664C

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF664C	#FFFFFF	#000000	##000000
##EF664C	1.00	3.15	6.68	6.68
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F49

Deuteranopia (green-blind)

#AC9C48

Tritanopia (blue-blind)

#FF4960

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #ef664c;
/* rgb */ color: rgb(239, 102, 76);
/* oklch */ color: oklch(67.7% 0.175 32.6);

Tailwind

colors: {
  custom: {
    50: '#fc967f',
    500: '#ef664c',
    950: '#000000',
  },
}

SCSS

$custom: #ef664c;
$custom-light: #fc967f;
$custom-dark: #000000;

JSON

{
  "hex": "#ef664c",
  "rgb": {
    "r": 239,
    "g": 102,
    "b": 76
  },
  "hsl": {
    "h": 9.571,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.67662,
    "c": 0.17466,
    "h": 32.6
  },
  "luminance": 0.28375
}

Semantic roles & 50–950 ramp

primary

#EF664C

secondary

#ADE0EA

accent

#BDE005

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190E0A

muted

#877E7C

Preview Lab

Preview with #EF664C

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

Preview Lab → · Contrast checker → · Palette generator →