#EF665B#EF665B

#EF665B is a light, vivid red. Relative luminance 0.286; OKLCH L 67.9% C 0.171 H 27.2°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#EF665B
RGB	rgb(239, 102, 91)
HSL	hsl(4, 82%, 65%)
HSV	hsv(4, 62%, 94%)
CMYK	cmyk(0%, 57.3%, 61.9%, 6.3%)
CIE-LAB	lab(60.44, 52.08, 32.82)
CIE-LCH	lch(60.44, 61.56, 32.22°)
OKLab	oklab(67.89% 0.1526 0.0783)
OKLCH	oklch(67.89% 0.171 27.2)
XYZ	xyz(42.2402, 28.6142, 13.1943)
Luminance	0.2861 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF665B #5BE4EF

analogous

#EF5B9A #EF665B #EFB05B

triadic

#EF665B #5BEF66 #665BEF

tetradic

#EF665B #9AEF5B #5BE4EF #B05BEF

square

#EF665B #9AEF5B #5BE4EF #B05BEF

split-complementary

#EF665B #5BEFB0 #5B9AEF

monochromatic

#BD1F12 #EA3223 #EF665B #F49A93 #FACECB

Accessibility & contrast

On white

3.12

#EF665B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#EF665B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF665B

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF665B	#FFFFFF	#000000	##000000
##EF665B	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897F59

Deuteranopia (green-blind)

#AB9D58

Tritanopia (blue-blind)

#FF4C64

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #ef665b;
/* rgb */ color: rgb(239, 102, 91);
/* oklch */ color: oklch(67.9% 0.171 27.2);

Tailwind

colors: {
  custom: {
    50: '#fb9689',
    500: '#ef665b',
    950: '#000000',
  },
}

SCSS

$custom: #ef665b;
$custom-light: #fb9689;
$custom-dark: #000000;

JSON

{
  "hex": "#ef665b",
  "rgb": {
    "r": 239,
    "g": 102,
    "b": 91
  },
  "hsl": {
    "h": 4.459,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.67887,
    "c": 0.17146,
    "h": 27.2
  },
  "luminance": 0.28609
}

Semantic roles & 50–950 ramp

primary

#EF665B

secondary

#BAE9EC

accent

#CFDF07

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#190E0B

muted

#877E7C

Preview Lab

Preview with #EF665B

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

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