#EF5F54#EF5F54

#EF5F54 is a light, vivid red. Relative luminance 0.272; OKLCH L 66.9% C 0.180 H 27.3°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#EF5F54
RGB	rgb(239, 95, 84)
HSL	hsl(4, 83%, 63%)
HSV	hsv(4, 65%, 94%)
CMYK	cmyk(0%, 60.3%, 64.9%, 6.3%)
CIE-LAB	lab(59.14, 54.80, 35.13)
CIE-LCH	lch(59.14, 65.10, 32.66°)
OKLab	oklab(66.87% 0.1599 0.0826)
OKLCH	oklch(66.87% 0.18 27.3)
XYZ	xyz(41.2931, 27.1808, 11.4578)
Luminance	0.2717 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5F54 #54E4EF

analogous

#EF5496 #EF5F54 #EFAC54

triadic

#EF5F54 #54EF5F #5F54EF

tetradic

#EF5F54 #96EF54 #54E4EF #AC54EF

square

#EF5F54 #96EF54 #54E4EF #AC54EF

split-complementary

#EF5F54 #54EFAC #5496EF

monochromatic

#B71D11 #EA2B1C #EF5F54 #F4938C #F9C8C4

Accessibility & contrast

On white

3.26

#EF5F54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#EF5F54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5F54

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5F54	#FFFFFF	#000000	##000000
##EF5F54	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857B52

Deuteranopia (green-blind)

#A99A50

Tritanopia (blue-blind)

#FF405D

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #ef5f54;
/* rgb */ color: rgb(239, 95, 84);
/* oklch */ color: oklch(66.9% 0.180 27.3);

Tailwind

colors: {
  custom: {
    50: '#fb9284',
    500: '#ef5f54',
    950: '#000000',
  },
}

SCSS

$custom: #ef5f54;
$custom-light: #fb9284;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5f54",
  "rgb": {
    "r": 239,
    "g": 95,
    "b": 84
  },
  "hsl": {
    "h": 4.258,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.66874,
    "c": 0.17994,
    "h": 27.3
  },
  "luminance": 0.27175
}

Semantic roles & 50–950 ramp

primary

#EF5F54

secondary

#B4E7EB

accent

#D0DF06

background

#FFF9F8

surface

#FFF2EF

border

#D7CCCA

text

#190D0B

muted

#877E7C

Preview Lab

Preview with #EF5F54

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

Preview Lab → · Contrast checker → · Palette generator →