#EF5B5B#EF5B5B

#EF5B5B is a light, vivid red. Relative luminance 0.266; OKLCH L 66.5% C 0.183 H 23.5°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B5B
RGB	rgb(239, 91, 91)
HSL	hsl(0, 82%, 65%)
HSV	hsv(0, 62%, 94%)
CMYK	cmyk(0%, 61.9%, 61.9%, 6.3%)
CIE-LAB	lab(58.60, 56.96, 30.49)
CIE-LCH	lch(58.60, 64.61, 28.16°)
OKLab	oklab(66.5% 0.1679 0.073)
OKLCH	oklch(66.5% 0.183 23.5)
XYZ	xyz(41.2300, 26.5938, 12.8575)
Luminance	0.2659 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B5B #5BEFEF

analogous

#EF5BA5 #EF5B5B #EFA55B

triadic

#EF5B5B #5BEF5B #5B5BEF

tetradic

#EF5B5B #A5EF5B #5BEFEF #A55BEF

square

#EF5B5B #A5EF5B #5BEFEF #A55BEF

split-complementary

#EF5B5B #5BEFA5 #5BA5EF

monochromatic

#BD1212 #EA2323 #EF5B5B #F49393 #FACBCB

Accessibility & contrast

On white

3.32

#EF5B5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#EF5B5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B5B

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B5B	#FFFFFF	#000000	##000000
##EF5B5B	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81795A

Deuteranopia (green-blind)

#A69957

Tritanopia (blue-blind)

#FF3C5C

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #ef5b5b;
/* rgb */ color: rgb(239, 91, 91);
/* oklch */ color: oklch(66.5% 0.183 23.5);

Tailwind

colors: {
  custom: {
    50: '#fb9089',
    500: '#ef5b5b',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b5b;
$custom-light: #fb9089;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b5b",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 91
  },
  "hsl": {
    "h": 0,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.66499,
    "c": 0.18308,
    "h": 23.5
  },
  "luminance": 0.26588
}

Semantic roles & 50–950 ramp

primary

#EF5B5B

secondary

#BAECEC

accent

#DFDF07

background

#FFF9F8

surface

#FFF1F0

border

#D7CBCB

text

#190D0B

muted

#877E7C

Preview Lab

Preview with #EF5B5B

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

Preview Lab → · Contrast checker → · Palette generator →