#506CB2#506CB2

#506CB2 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.2% C 0.115 H 266.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#506CB2
RGB	rgb(80, 108, 178)
HSL	hsl(223, 39%, 51%)
HSV	hsv(223, 55%, 70%)
CMYK	cmyk(55.1%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(46.50, 10.66, -40.38)
CIE-LCH	lch(46.50, 41.76, 284.78°)
OKLab	oklab(54.25% -0.0076 -0.1144)
OKLCH	oklch(54.25% 0.115 266.2)
XYZ	xyz(16.7040, 15.6437, 44.2501)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506CB2 #B29650

analogous

#509DB2 #506CB2 #6550B2

triadic

#506CB2 #B2506C #6CB250

tetradic

#506CB2 #B2509D #B29650 #50B265

square

#506CB2 #B2509D #B29650 #50B265

split-complementary

#506CB2 #B26550 #9DB250

monochromatic

#29385E #3C5289 #506CB2 #7A90C5 #A5B3D7

Accessibility & contrast

On white

5.09

#506CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#506CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #506CB2

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506CB2	#FFFFFF	#000000	##FFFFFF
##506CB2	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F73B5

Deuteranopia (green-blind)

#446AB0

Tritanopia (blue-blind)

#197B86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #506cb2;
/* rgb */ color: rgb(80, 108, 178);
/* oklch */ color: oklch(54.2% 0.115 266.2);

Tailwind

colors: {
  custom: {
    50: '#8895c9',
    500: '#506cb2',
    950: '#000000',
  },
}

SCSS

$custom: #506cb2;
$custom-light: #8895c9;
$custom-dark: #000000;

JSON

{
  "hex": "#506cb2",
  "rgb": {
    "r": 80,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 222.857,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54246,
    "c": 0.11466,
    "h": 266.2
  },
  "luminance": 0.15645
}

Semantic roles & 50–950 ramp

primary

#506CB2

secondary

#C5B899

accent

#AD59CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #506CB2

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

Preview Lab → · Contrast checker → · Palette generator →