#EF644A#EF644A

#EF644A is a light, vivid red. Relative luminance 0.280; OKLCH L 67.4% C 0.177 H 32.5°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#EF644A
RGB	rgb(239, 100, 74)
HSL	hsl(9, 84%, 61%)
HSV	hsv(9, 69%, 94%)
CMYK	cmyk(0%, 58.2%, 69%, 6.3%)
CIE-LAB	lab(59.86, 52.03, 41.48)
CIE-LCH	lch(59.86, 66.54, 38.56°)
OKLab	oklab(67.37% 0.1493 0.0952)
OKLCH	oklch(67.37% 0.177 32.5)
XYZ	xyz(41.3939, 27.9650, 9.6953)
Luminance	0.2796 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF644A #4AD5EF

analogous

#EF4A83 #EF644A #EFB74A

triadic

#EF644A #4AEF64 #644AEF

tetradic

#EF644A #83EF4A #4AD5EF #B74AEF

square

#EF644A #83EF4A #4AD5EF #B74AEF

split-complementary

#EF644A #4AEFB7 #4A83EF

monochromatic

#AF290F #E73614 #EF644A #F49482 #F9C4BA

Accessibility & contrast

On white

3.19

#EF644A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#EF644A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF644A

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF644A	#FFFFFF	#000000	##000000
##EF644A	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897D47

Deuteranopia (green-blind)

#AC9C46

Tritanopia (blue-blind)

#FF465E

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #ef644a;
/* rgb */ color: rgb(239, 100, 74);
/* oklch */ color: oklch(67.4% 0.177 32.5);

Tailwind

colors: {
  custom: {
    50: '#fc957d',
    500: '#ef644a',
    950: '#000000',
  },
}

SCSS

$custom: #ef644a;
$custom-light: #fc957d;
$custom-dark: #000000;

JSON

{
  "hex": "#ef644a",
  "rgb": {
    "r": 239,
    "g": 100,
    "b": 74
  },
  "hsl": {
    "h": 9.455,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67371,
    "c": 0.17706,
    "h": 32.5
  },
  "luminance": 0.27959
}

Semantic roles & 50–950 ramp

primary

#EF644A

secondary

#ACE0E9

accent

#BEE005

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190E0A

muted

#877E7C

Preview Lab

Preview with #EF644A

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

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