#EF5B57#EF5B57

#EF5B57 is a light, vivid red. Relative luminance 0.265; OKLCH L 66.4% C 0.184 H 25.0°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B57
RGB	rgb(239, 91, 87)
HSL	hsl(2, 83%, 64%)
HSV	hsv(2, 64%, 94%)
CMYK	cmyk(0%, 61.9%, 63.6%, 6.3%)
CIE-LAB	lab(58.53, 56.72, 32.69)
CIE-LCH	lch(58.53, 65.46, 29.96°)
OKLab	oklab(66.43% 0.1664 0.0775)
OKLCH	oklch(66.43% 0.184 25)
XYZ	xyz(41.0620, 26.5266, 11.9729)
Luminance	0.2652 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B57 #57EBEF

analogous

#EF579F #EF5B57 #EFA757

triadic

#EF5B57 #57EF5B #5B57EF

tetradic

#EF5B57 #9FEF57 #57EBEF #A757EF

square

#EF5B57 #9FEF57 #57EBEF #A757EF

split-complementary

#EF5B57 #57EFA7 #579FEF

monochromatic

#BA1612 #EA241F #EF5B57 #F4928F #FAC8C7

Accessibility & contrast

On white

3.33

#EF5B57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#EF5B57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B57

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B57	#FFFFFF	#000000	##000000
##EF5B57	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#827955

Deuteranopia (green-blind)

#A79953

Tritanopia (blue-blind)

#FF3B5B

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #ef5b57;
/* rgb */ color: rgb(239, 91, 87);
/* oklch */ color: oklch(66.4% 0.184 25.0);

Tailwind

colors: {
  custom: {
    50: '#fb9086',
    500: '#ef5b57',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b57;
$custom-light: #fb9086;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b57",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 87
  },
  "hsl": {
    "h": 1.579,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.66431,
    "c": 0.18358,
    "h": 25
  },
  "luminance": 0.26521
}

Semantic roles & 50–950 ramp

primary

#EF5B57

secondary

#B6EAEC

accent

#D9DF06

background

#FFF9F8

surface

#FFF1EF

border

#D7CBCA

text

#190D0B

muted

#877E7C

Preview Lab

Preview with #EF5B57

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

Preview Lab → · Contrast checker → · Palette generator →