#EF5B53#EF5B53

#EF5B53 is a light, vivid red. Relative luminance 0.265; OKLCH L 66.4% C 0.184 H 26.4°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B53
RGB	rgb(239, 91, 83)
HSL	hsl(3, 83%, 63%)
HSV	hsv(3, 65%, 94%)
CMYK	cmyk(0%, 61.9%, 65.3%, 6.3%)
CIE-LAB	lab(58.47, 56.48, 34.87)
CIE-LCH	lch(58.47, 66.38, 31.69°)
OKLab	oklab(66.37% 0.1649 0.0819)
OKLCH	oklch(66.37% 0.184 26.4)
XYZ	xyz(40.9031, 26.4630, 11.1359)
Luminance	0.2646 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B53 #53E7EF

analogous

#EF5399 #EF5B53 #EFA953

triadic

#EF5B53 #53EF5B #5B53EF

tetradic

#EF5B53 #99EF53 #53E7EF #A953EF

square

#EF5B53 #99EF53 #53E7EF #A953EF

split-complementary

#EF5B53 #53EFA9 #5399EF

monochromatic

#B71911 #EA261B #EF5B53 #F4908B #F9C6C3

Accessibility & contrast

On white

3.34

#EF5B53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#EF5B53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B53

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B53	#FFFFFF	#000000	##000000
##EF5B53	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#827951

Deuteranopia (green-blind)

#A7984F

Tritanopia (blue-blind)

#FF3A5A

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #ef5b53;
/* rgb */ color: rgb(239, 91, 83);
/* oklch */ color: oklch(66.4% 0.184 26.4);

Tailwind

colors: {
  custom: {
    50: '#fc9083',
    500: '#ef5b53',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b53;
$custom-light: #fc9083;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b53",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 83
  },
  "hsl": {
    "h": 3.077,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.66367,
    "c": 0.18417,
    "h": 26.4
  },
  "luminance": 0.26457
}

Semantic roles & 50–950 ramp

primary

#EF5B53

secondary

#B3E8EB

accent

#D4DF06

background

#FFF9F8

surface

#FFF1EF

border

#D7CBCA

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF5B53

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

Preview Lab → · Contrast checker → · Palette generator →