#EF5B59#EF5B59

#EF5B59 is a light, vivid red. Relative luminance 0.266; OKLCH L 66.5% C 0.183 H 24.2°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B59
RGB	rgb(239, 91, 89)
HSL	hsl(1, 82%, 64%)
HSV	hsv(1, 63%, 94%)
CMYK	cmyk(0%, 61.9%, 62.8%, 6.3%)
CIE-LAB	lab(58.56, 56.84, 31.59)
CIE-LCH	lch(58.56, 65.03, 29.07°)
OKLab	oklab(66.46% 0.1672 0.0753)
OKLCH	oklch(66.46% 0.183 24.2)
XYZ	xyz(41.1449, 26.5597, 12.4092)
Luminance	0.2655 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B59 #59EDEF

analogous

#EF59A2 #EF5B59 #EFA659

triadic

#EF5B59 #59EF5B #5B59EF

tetradic

#EF5B59 #A2EF59 #59EDEF #A659EF

square

#EF5B59 #A2EF59 #59EDEF #A659EF

split-complementary

#EF5B59 #59EFA6 #59A2EF

monochromatic

#BC1412 #EA2421 #EF5B59 #F49291 #FAC9C9

Accessibility & contrast

On white

3.33

#EF5B59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#EF5B59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B59

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B59	#FFFFFF	#000000	##000000
##EF5B59	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#817958

Deuteranopia (green-blind)

#A79955

Tritanopia (blue-blind)

#FF3B5C

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #ef5b59;
/* rgb */ color: rgb(239, 91, 89);
/* oklch */ color: oklch(66.5% 0.183 24.2);

Tailwind

colors: {
  custom: {
    50: '#fb9088',
    500: '#ef5b59',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b59;
$custom-light: #fb9088;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b59",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 89
  },
  "hsl": {
    "h": 0.8,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.66464,
    "c": 0.18332,
    "h": 24.2
  },
  "luminance": 0.26554
}

Semantic roles & 50–950 ramp

primary

#EF5B59

secondary

#B8EBEC

accent

#DCDF07

background

#FFF9F8

surface

#FFF1EF

border

#D7CBCA

text

#190D0B

muted

#877E7C

Preview Lab

Preview with #EF5B59

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

Preview Lab → · Contrast checker → · Palette generator →