#EF664A#EF664A

#EF664A is a light, vivid red. Relative luminance 0.283; OKLCH L 67.6% C 0.175 H 33.2°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#EF664A
RGB	rgb(239, 102, 74)
HSL	hsl(10, 84%, 61%)
HSV	hsv(10, 69%, 94%)
CMYK	cmyk(0%, 57.3%, 69%, 6.3%)
CIE-LAB	lab(60.21, 51.11, 41.88)
CIE-LCH	lch(60.21, 66.08, 39.33°)
OKLab	oklab(67.64% 0.1465 0.096)
OKLCH	oklch(67.64% 0.175 33.2)
XYZ	xyz(41.5881, 28.3534, 9.7600)
Luminance	0.2835 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF664A #4AD3EF

analogous

#EF4A81 #EF664A #EFB94A

triadic

#EF664A #4AEF66 #664AEF

tetradic

#EF664A #81EF4A #4AD3EF #B94AEF

square

#EF664A #81EF4A #4AD3EF #B94AEF

split-complementary

#EF664A #4AEFB9 #4A81EF

monochromatic

#AF2B0F #E73814 #EF664A #F49682 #F9C5BA

Accessibility & contrast

On white

3.15

#EF664A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#EF664A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF664A

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF664A	#FFFFFF	#000000	##000000
##EF664A	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7E47

Deuteranopia (green-blind)

#AD9C46

Tritanopia (blue-blind)

#FF4960

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #ef664a;
/* rgb */ color: rgb(239, 102, 74);
/* oklch */ color: oklch(67.6% 0.175 33.2);

Tailwind

colors: {
  custom: {
    50: '#fc967d',
    500: '#ef664a',
    950: '#000000',
  },
}

SCSS

$custom: #ef664a;
$custom-light: #fc967d;
$custom-dark: #000000;

JSON

{
  "hex": "#ef664a",
  "rgb": {
    "r": 239,
    "g": 102,
    "b": 74
  },
  "hsl": {
    "h": 10.182,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67636,
    "c": 0.17515,
    "h": 33.2
  },
  "luminance": 0.28348
}

Semantic roles & 50–950 ramp

primary

#EF664A

secondary

#ACDFE9

accent

#BBE005

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190E0A

muted

#877E7C

Preview Lab

Preview with #EF664A

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

Preview Lab → · Contrast checker → · Palette generator →