#EF524B#EF524B

#EF524B is a light, vivid red. Relative luminance 0.249; OKLCH L 65.2% C 0.194 H 26.5°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#EF524B
RGB	rgb(239, 82, 75)
HSL	hsl(3, 84%, 62%)
HSV	hsv(3, 69%, 94%)
CMYK	cmyk(0%, 65.7%, 68.6%, 6.3%)
CIE-LAB	lab(56.98, 59.79, 37.55)
CIE-LCH	lch(56.98, 70.60, 32.13°)
OKLab	oklab(65.21% 0.1738 0.0867)
OKLCH	oklch(65.21% 0.194 26.5)
XYZ	xyz(39.8881, 24.8990, 9.3609)
Luminance	0.2489 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF524B #4BE8EF

analogous

#EF4B96 #EF524B #EFA44B

triadic

#EF524B #4BEF52 #524BEF

tetradic

#EF524B #96EF4B #4BE8EF #A44BEF

square

#EF524B #96EF4B #4BE8EF #A44BEF

split-complementary

#EF524B #4BEFA4 #4B96EF

monochromatic

#B01610 #E81E15 #EF524B #F48883 #F9BEBB

Accessibility & contrast

On white

3.51

#EF524B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#EF524B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF524B

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF524B	#FFFFFF	#000000	##000000
##EF524B	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D7349

Deuteranopia (green-blind)

#A49546

Tritanopia (blue-blind)

#FF2852

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #ef524b;
/* rgb */ color: rgb(239, 82, 75);
/* oklch */ color: oklch(65.2% 0.194 26.5);

Tailwind

colors: {
  custom: {
    50: '#fc8a7d',
    500: '#ef524b',
    950: '#000000',
  },
}

SCSS

$custom: #ef524b;
$custom-light: #fc8a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#ef524b",
  "rgb": {
    "r": 239,
    "g": 82,
    "b": 75
  },
  "hsl": {
    "h": 2.561,
    "s": 83.673,
    "l": 61.569
  },
  "oklch": {
    "l": 0.65207,
    "c": 0.19423,
    "h": 26.5
  },
  "luminance": 0.24893
}

Semantic roles & 50–950 ramp

primary

#EF524B

secondary

#ACE7E9

accent

#D7E005

background

#FFF8F7

surface

#FFF0EE

border

#D7CBC9

text

#190C0A

muted

#867D7C

Preview Lab

Preview with #EF524B

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

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