#EF5F53#EF5F53

#EF5F53 is a light, vivid red. Relative luminance 0.272; OKLCH L 66.9% C 0.180 H 27.7°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#EF5F53
RGB	rgb(239, 95, 83)
HSL	hsl(5, 83%, 63%)
HSV	hsv(5, 65%, 94%)
CMYK	cmyk(0%, 60.3%, 65.3%, 6.3%)
CIE-LAB	lab(59.13, 54.75, 35.67)
CIE-LCH	lch(59.13, 65.34, 33.09°)
OKLab	oklab(66.86% 0.1595 0.0837)
OKLCH	oklch(66.86% 0.18 27.7)
XYZ	xyz(41.2542, 27.1652, 11.2530)
Luminance	0.2716 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5F53 #53E3EF

analogous

#EF5395 #EF5F53 #EFAD53

triadic

#EF5F53 #53EF5F #5F53EF

tetradic

#EF5F53 #95EF53 #53E3EF #AD53EF

square

#EF5F53 #95EF53 #53E3EF #AD53EF

split-complementary

#EF5F53 #53EFAD #5395EF

monochromatic

#B71E11 #EA2B1B #EF5F53 #F4938B #F9C7C3

Accessibility & contrast

On white

3.26

#EF5F53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#EF5F53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5F53

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5F53	#FFFFFF	#000000	##000000
##EF5F53	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857B51

Deuteranopia (green-blind)

#A99A4F

Tritanopia (blue-blind)

#FF405D

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #ef5f53;
/* rgb */ color: rgb(239, 95, 83);
/* oklch */ color: oklch(66.9% 0.180 27.7);

Tailwind

colors: {
  custom: {
    50: '#fc9283',
    500: '#ef5f53',
    950: '#000000',
  },
}

SCSS

$custom: #ef5f53;
$custom-light: #fc9283;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5f53",
  "rgb": {
    "r": 239,
    "g": 95,
    "b": 83
  },
  "hsl": {
    "h": 4.615,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.66858,
    "c": 0.18011,
    "h": 27.7
  },
  "luminance": 0.2716
}

Semantic roles & 50–950 ramp

primary

#EF5F53

secondary

#B3E7EB

accent

#CFDF06

background

#FFF9F8

surface

#FFF2EF

border

#D7CCCA

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF5F53

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

Preview Lab → · Contrast checker → · Palette generator →