#EF5B58#EF5B58

#EF5B58 is a light, vivid red. Relative luminance 0.265; OKLCH L 66.4% C 0.183 H 24.6°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B58
RGB	rgb(239, 91, 88)
HSL	hsl(1, 83%, 64%)
HSV	hsv(1, 63%, 94%)
CMYK	cmyk(0%, 61.9%, 63.2%, 6.3%)
CIE-LAB	lab(58.55, 56.78, 32.14)
CIE-LCH	lch(58.55, 65.24, 29.51°)
OKLab	oklab(66.45% 0.1668 0.0764)
OKLCH	oklch(66.45% 0.183 24.6)
XYZ	xyz(41.1031, 26.5430, 12.1895)
Luminance	0.2654 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B58 #58ECEF

analogous

#EF58A1 #EF5B58 #EFA758

triadic

#EF5B58 #58EF5B #5B58EF

tetradic

#EF5B58 #A1EF58 #58ECEF #A758EF

square

#EF5B58 #A1EF58 #58ECEF #A758EF

split-complementary

#EF5B58 #58EFA7 #58A1EF

monochromatic

#BB1512 #EA2420 #EF5B58 #F49290 #FAC9C8

Accessibility & contrast

On white

3.33

#EF5B58 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#EF5B58 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B58

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B58	#FFFFFF	#000000	##000000
##EF5B58	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)

#827957

Deuteranopia (green-blind)

#A79954

Tritanopia (blue-blind)

#FF3B5C

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #ef5b58;
/* rgb */ color: rgb(239, 91, 88);
/* oklch */ color: oklch(66.4% 0.183 24.6);

Tailwind

colors: {
  custom: {
    50: '#fb9087',
    500: '#ef5b58',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b58;
$custom-light: #fb9087;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b58",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 88
  },
  "hsl": {
    "h": 1.192,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.66448,
    "c": 0.18345,
    "h": 24.6
  },
  "luminance": 0.26537
}

Semantic roles & 50–950 ramp

primary

#EF5B58

secondary

#B7EBEC

accent

#DBDF07

background

#FFF9F8

surface

#FFF1EF

border

#D7CBCA

text

#190D0B

muted

#877E7C

Preview Lab

Preview with #EF5B58

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

Preview Lab → · Contrast checker → · Palette generator →