#EF5550#EF5550

#EF5550 is a light, vivid red. Relative luminance 0.254; OKLCH L 65.6% C 0.191 H 25.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#EF5550
RGB	rgb(239, 85, 80)
HSL	hsl(2, 83%, 63%)
HSV	hsv(2, 67%, 94%)
CMYK	cmyk(0%, 64.4%, 66.5%, 6.3%)
CIE-LAB	lab(57.49, 58.83, 35.37)
CIE-LCH	lch(57.49, 68.64, 31.01°)
OKLab	oklab(65.62% 0.1718 0.0826)
OKLCH	oklch(65.62% 0.191 25.7)
XYZ	xyz(40.2972, 25.4326, 10.3749)
Luminance	0.2543 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5550 #50EAEF

analogous

#EF509A #EF5550 #EFA550

triadic

#EF5550 #50EF55 #5550EF

tetradic

#EF5550 #9AEF50 #50EAEF #A550EF

square

#EF5550 #9AEF50 #50EAEF #A550EF

split-complementary

#EF5550 #50EFA5 #509AEF

monochromatic

#B41610 #EA1F18 #EF5550 #F48B88 #F9C2C0

Accessibility & contrast

On white

3.45

#EF5550 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#EF5550 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5550

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5550	#FFFFFF	#000000	##000000
##EF5550	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F754E

Deuteranopia (green-blind)

#A5964C

Tritanopia (blue-blind)

#FF2F55

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #ef5550;
/* rgb */ color: rgb(239, 85, 80);
/* oklch */ color: oklch(65.6% 0.191 25.7);

Tailwind

colors: {
  custom: {
    50: '#fc8c81',
    500: '#ef5550',
    950: '#000000',
  },
}

SCSS

$custom: #ef5550;
$custom-light: #fc8c81;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5550",
  "rgb": {
    "r": 239,
    "g": 85,
    "b": 80
  },
  "hsl": {
    "h": 1.887,
    "s": 83.246,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65618,
    "c": 0.19061,
    "h": 25.7
  },
  "luminance": 0.25427
}

Semantic roles & 50–950 ramp

primary

#EF5550

secondary

#B0E8EA

accent

#D9E006

background

#FFF9F7

surface

#FFF1EE

border

#D7CBC9

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF5550

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

Preview Lab → · Contrast checker → · Palette generator →