#555366#555366

#555366 is a mid, muted blue. Relative luminance 0.091; OKLCH L 45.1% C 0.031 H 289.9°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#555366
RGB	rgb(85, 83, 102)
HSL	hsl(246, 10%, 36%)
HSV	hsv(246, 19%, 40%)
CMYK	cmyk(16.7%, 18.6%, 0%, 60%)
CIE-LAB	lab(36.13, 5.17, -10.66)
CIE-LCH	lch(36.13, 11.85, 295.89°)
OKLab	oklab(45.14% 0.0105 -0.029)
OKLCH	oklch(45.14% 0.031 289.9)
XYZ	xyz(9.2373, 9.0770, 13.8332)
Luminance	0.0908 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555366 #646653

analogous

#535B66 #555366 #5F5366

triadic

#555366 #665553 #536655

tetradic

#555366 #66535B #646653 #53665F

square

#555366 #66535B #646653 #53665F

split-complementary

#555366 #665F53 #5B6653

monochromatic

#1D1C23 #393844 #555366 #716E88 #918FA4

Accessibility & contrast

On white

7.46

#555366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#555366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #555366

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555366	#FFFFFF	#000000	##FFFFFF
##555366	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5567

Deuteranopia (green-blind)

#4F5565

Tritanopia (blue-blind)

#525659

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #555366;
/* rgb */ color: rgb(85, 83, 102);
/* oklch */ color: oklch(45.1% 0.031 289.9);

Tailwind

colors: {
  custom: {
    50: '#858391',
    500: '#555366',
    950: '#000000',
  },
}

SCSS

$custom: #555366;
$custom-light: #858391;
$custom-dark: #000000;

JSON

{
  "hex": "#555366",
  "rgb": {
    "r": 85,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 246.316,
    "s": 10.27,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45135,
    "c": 0.03083,
    "h": 289.9
  },
  "luminance": 0.09077
}

Semantic roles & 50–950 ramp

primary

#555366

secondary

#919382

accent

#B375AD

background

#F8F8F8

surface

#EFEFF0

border

#CACACB

text

#0B0A0C

muted

#7C7C7D

Preview Lab

Preview with #555366

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

Preview Lab → · Contrast checker → · Palette generator →