#EF604A#EF604A

#EF604A is a light, vivid red. Relative luminance 0.272; OKLCH L 66.9% C 0.181 H 31.1°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#EF604A
RGB	rgb(239, 96, 74)
HSL	hsl(8, 84%, 61%)
HSV	hsv(8, 69%, 94%)
CMYK	cmyk(0%, 59.8%, 69%, 6.3%)
CIE-LAB	lab(59.17, 53.83, 40.69)
CIE-LCH	lch(59.17, 67.47, 37.09°)
OKLab	oklab(66.86% 0.1549 0.0934)
OKLCH	oklch(66.86% 0.181 31.1)
XYZ	xyz(41.0197, 27.2164, 9.5705)
Luminance	0.2721 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF604A #4AD9EF

analogous

#EF4A87 #EF604A #EFB34A

triadic

#EF604A #4AEF60 #604AEF

tetradic

#EF604A #87EF4A #4AD9EF #B34AEF

square

#EF604A #87EF4A #4AD9EF #B34AEF

split-complementary

#EF604A #4AEFB3 #4A87EF

monochromatic

#AF250F #E73114 #EF604A #F49182 #F9C3BA

Accessibility & contrast

On white

3.26

#EF604A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#EF604A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF604A

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF604A	#FFFFFF	#000000	##000000
##EF604A	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877B47

Deuteranopia (green-blind)

#AA9A46

Tritanopia (blue-blind)

#FF405B

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #ef604a;
/* rgb */ color: rgb(239, 96, 74);
/* oklch */ color: oklch(66.9% 0.181 31.1);

Tailwind

colors: {
  custom: {
    50: '#fc927d',
    500: '#ef604a',
    950: '#000000',
  },
}

SCSS

$custom: #ef604a;
$custom-light: #fc927d;
$custom-dark: #000000;

JSON

{
  "hex": "#ef604a",
  "rgb": {
    "r": 239,
    "g": 96,
    "b": 74
  },
  "hsl": {
    "h": 8,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.66856,
    "c": 0.18091,
    "h": 31.1
  },
  "luminance": 0.27211
}

Semantic roles & 50–950 ramp

primary

#EF604A

secondary

#ACE1E9

accent

#C3E005

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF604A

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

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