#EF604C#EF604C

#EF604C is a light, vivid red. Relative luminance 0.272; OKLCH L 66.9% C 0.180 H 30.4°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#EF604C
RGB	rgb(239, 96, 76)
HSL	hsl(7, 84%, 62%)
HSV	hsv(7, 68%, 94%)
CMYK	cmyk(0%, 59.8%, 68.2%, 6.3%)
CIE-LAB	lab(59.20, 53.93, 39.63)
CIE-LCH	lch(59.20, 66.92, 36.31°)
OKLab	oklab(66.88% 0.1556 0.0914)
OKLCH	oklch(66.88% 0.18 30.4)
XYZ	xyz(41.0881, 27.2438, 9.9310)
Luminance	0.2724 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF604C #4CDBEF

analogous

#EF4C8A #EF604C #EFB24C

triadic

#EF604C #4CEF60 #604CEF

tetradic

#EF604C #8AEF4C #4CDBEF #B24CEF

square

#EF604C #8AEF4C #4CDBEF #B24CEF

split-complementary

#EF604C #4CEFB2 #4C8AEF

monochromatic

#B12410 #E92F15 #EF604C #F49284 #F9C4BC

Accessibility & contrast

On white

3.26

#EF604C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#EF604C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF604C

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF604C	#FFFFFF	#000000	##000000
##EF604C	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867B49

Deuteranopia (green-blind)

#AA9A48

Tritanopia (blue-blind)

#FF405C

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #ef604c;
/* rgb */ color: rgb(239, 96, 76);
/* oklch */ color: oklch(66.9% 0.180 30.4);

Tailwind

colors: {
  custom: {
    50: '#fc927f',
    500: '#ef604c',
    950: '#000000',
  },
}

SCSS

$custom: #ef604c;
$custom-light: #fc927f;
$custom-dark: #000000;

JSON

{
  "hex": "#ef604c",
  "rgb": {
    "r": 239,
    "g": 96,
    "b": 76
  },
  "hsl": {
    "h": 7.362,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.66883,
    "c": 0.18048,
    "h": 30.4
  },
  "luminance": 0.27238
}

Semantic roles & 50–950 ramp

primary

#EF604C

secondary

#ADE2EA

accent

#C5E005

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF604C

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

Preview Lab → · Contrast checker → · Palette generator →