#EF5B5A#EF5B5A

#EF5B5A is a light, vivid red. Relative luminance 0.266; OKLCH L 66.5% C 0.183 H 23.9°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B5A
RGB	rgb(239, 91, 90)
HSL	hsl(0, 82%, 65%)
HSV	hsv(0, 62%, 94%)
CMYK	cmyk(0%, 61.9%, 62.3%, 6.3%)
CIE-LAB	lab(58.58, 56.90, 31.04)
CIE-LCH	lch(58.58, 64.82, 28.62°)
OKLab	oklab(66.48% 0.1675 0.0741)
OKLCH	oklch(66.48% 0.183 23.9)
XYZ	xyz(41.1871, 26.5766, 12.6318)
Luminance	0.2657 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B5A #5AEEEF

analogous

#EF5AA3 #EF5B5A #EFA65A

triadic

#EF5B5A #5AEF5B #5B5AEF

tetradic

#EF5B5A #A3EF5A #5AEEEF #A65AEF

square

#EF5B5A #A3EF5A #5AEEEF #A65AEF

split-complementary

#EF5B5A #5AEFA6 #5AA3EF

monochromatic

#BC1312 #EA2422 #EF5B5A #F49292 #FACACA

Accessibility & contrast

On white

3.33

#EF5B5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#EF5B5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B5A

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B5A	#FFFFFF	#000000	##000000
##EF5B5A	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)

#817959

Deuteranopia (green-blind)

#A69956

Tritanopia (blue-blind)

#FF3C5C

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #ef5b5a;
/* rgb */ color: rgb(239, 91, 90);
/* oklch */ color: oklch(66.5% 0.183 23.9);

Tailwind

colors: {
  custom: {
    50: '#fb9088',
    500: '#ef5b5a',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b5a;
$custom-light: #fb9088;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b5a",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 90
  },
  "hsl": {
    "h": 0.403,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.66481,
    "c": 0.18319,
    "h": 23.9
  },
  "luminance": 0.26571
}

Semantic roles & 50–950 ramp

primary

#EF5B5A

secondary

#B9ECEC

accent

#DDDF07

background

#FFF9F8

surface

#FFF1F0

border

#D7CBCB

text

#190D0B

muted

#877E7C

Preview Lab

Preview with #EF5B5A

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

Preview Lab → · Contrast checker → · Palette generator →