#EF5E53#EF5E53

#EF5E53 is a light, vivid red. Relative luminance 0.270; OKLCH L 66.7% C 0.181 H 27.4°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#EF5E53
RGB	rgb(239, 94, 83)
HSL	hsl(4, 83%, 63%)
HSV	hsv(4, 65%, 94%)
CMYK	cmyk(0%, 60.7%, 65.3%, 6.3%)
CIE-LAB	lab(58.96, 55.19, 35.47)
CIE-LCH	lch(58.96, 65.60, 32.73°)
OKLab	oklab(66.73% 0.1609 0.0833)
OKLCH	oklch(66.73% 0.181 27.4)
XYZ	xyz(41.1647, 26.9862, 11.2231)
Luminance	0.2698 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5E53 #53E4EF

analogous

#EF5396 #EF5E53 #EFAC53

triadic

#EF5E53 #53EF5E #5E53EF

tetradic

#EF5E53 #96EF53 #53E4EF #AC53EF

square

#EF5E53 #96EF53 #53E4EF #AC53EF

split-complementary

#EF5E53 #53EFAC #5396EF

monochromatic

#B71D11 #EA2A1B #EF5E53 #F4928B #F9C7C3

Accessibility & contrast

On white

3.28

#EF5E53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#EF5E53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5E53

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5E53	#FFFFFF	#000000	##000000
##EF5E53	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#847A51

Deuteranopia (green-blind)

#A89A4F

Tritanopia (blue-blind)

#FF3F5C

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #ef5e53;
/* rgb */ color: rgb(239, 94, 83);
/* oklch */ color: oklch(66.7% 0.181 27.4);

Tailwind

colors: {
  custom: {
    50: '#fc9183',
    500: '#ef5e53',
    950: '#000000',
  },
}

SCSS

$custom: #ef5e53;
$custom-light: #fc9183;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5e53",
  "rgb": {
    "r": 239,
    "g": 94,
    "b": 83
  },
  "hsl": {
    "h": 4.231,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.66734,
    "c": 0.18113,
    "h": 27.4
  },
  "luminance": 0.26981
}

Semantic roles & 50–950 ramp

primary

#EF5E53

secondary

#B3E7EB

accent

#D0DF06

background

#FFF9F8

surface

#FFF2EF

border

#D7CCCA

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF5E53

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

Preview Lab → · Contrast checker → · Palette generator →