#565666#565666

#565666 is a mid, muted blue. Relative luminance 0.096; OKLCH L 45.9% C 0.026 H 285.3°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#565666
RGB	rgb(86, 86, 102)
HSL	hsl(240, 9%, 37%)
HSV	hsv(240, 16%, 40%)
CMYK	cmyk(15.7%, 15.7%, 0%, 60%)
CIE-LAB	lab(37.10, 3.67, -9.19)
CIE-LCH	lch(37.10, 9.89, 291.76°)
OKLab	oklab(45.91% 0.0068 -0.0249)
OKLCH	oklch(45.91% 0.026 285.3)
XYZ	xyz(9.5633, 9.5932, 13.9156)
Luminance	0.0959 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565666 #666656

analogous

#565E66 #565666 #5E5666

triadic

#565666 #665656 #566656

tetradic

#565666 #66565E #666656 #56665E

square

#565666 #66565E #666656 #56665E

split-complementary

#565666 #665E56 #5E6656

monochromatic

#1E1E24 #3A3A45 #565666 #727287 #9393A4

Accessibility & contrast

On white

7.20

#565666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#565666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #565666

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565666	#FFFFFF	#000000	##FFFFFF
##565666	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525867

Deuteranopia (green-blind)

#525766

Tritanopia (blue-blind)

#53595B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #565666;
/* rgb */ color: rgb(86, 86, 102);
/* oklch */ color: oklch(45.9% 0.026 285.3);

Tailwind

colors: {
  custom: {
    50: '#858591',
    500: '#565666',
    950: '#000000',
  },
}

SCSS

$custom: #565666;
$custom-light: #858591;
$custom-dark: #000000;

JSON

{
  "hex": "#565666",
  "rgb": {
    "r": 86,
    "g": 86,
    "b": 102
  },
  "hsl": {
    "h": 240,
    "s": 8.511,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45913,
    "c": 0.02582,
    "h": 285.3
  },
  "luminance": 0.09593
}

Semantic roles & 50–950 ramp

primary

#565666

secondary

#939385

accent

#B276B2

background

#F8F8F8

surface

#EFEFF0

border

#CACACB

text

#0B0B0C

muted

#7C7C7D

Preview Lab

Preview with #565666

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

Preview Lab → · Contrast checker → · Palette generator →