#5666AE#5666AE

#5666AE is a mid, moderate blue. Relative luminance 0.145; OKLCH L 53.1% C 0.115 H 272.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#5666AE
RGBrgb(86, 102, 174)
HSLhsl(229, 35%, 51%)
HSVhsv(229, 51%, 68%)
CMYKcmyk(50.6%, 41.4%, 0%, 31.8%)
CIE-LABlab(44.99, 14.48, -40.41)
CIE-LCHlch(44.99, 42.93, 289.71°)
OKLaboklab(53.11% 0.005 -0.1144)
OKLCHoklch(53.11% 0.115 272.5)
XYZxyz(16.2267, 14.5362, 41.9869)
Luminance0.1454 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5666AE #AE9E56
analogous
#5692AE #5666AE #7256AE
triadic
#5666AE #AE5666 #66AE56
tetradic
#5666AE #AE5692 #AE9E56 #56AE72
square
#5666AE #AE5692 #AE9E56 #56AE72
split-complementary
#5666AE #AE7256 #92AE56
monochromatic
#2D355D #404D86 #5666AE #7F8BC2 #A9B1D6

Accessibility & contrast

On white

5.37
#5666AE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.91
#5666AE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5666AE
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5666AE#FFFFFF#000000##FFFFFF
##5666AE1.005.373.915.37
#FFFFFF5.371.0021.001.00
#0000003.9121.001.0021.00
##FFFFFF5.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#496EB1
Deuteranopia (green-blind)
#4067AC
Tritanopia (blue-blind)
#317581
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #5666ae;
/* rgb */ color: rgb(86, 102, 174);
/* oklch */ color: oklch(53.1% 0.115 272.5);
Tailwind
colors: {
  custom: {
    50: '#8b91c6',
    500: '#5666ae',
    950: '#000000',
  },
}
SCSS
$custom: #5666ae;
$custom-light: #8b91c6;
$custom-dark: #000000;
JSON
{
  "hex": "#5666ae",
  "rgb": {
    "r": 86,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 229.091,
    "s": 35.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5311,
    "c": 0.11455,
    "h": 272.5
  },
  "luminance": 0.14537
}

Semantic roles & 50–950 ramp

primary
#5666AE
secondary
#C3BC9C
accent
#B75DCB
background
#F8F8FC
surface
#F0F0F8
border
#CBCBD1
text
#0C0C13
muted
#7D7D82

Preview Lab

Preview with #5666AE

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

Preview Lab → · Contrast checker → · Palette generator →

#5666AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva