#506CDB#506CDB

#506CDB is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.9% C 0.172 H 269.6°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#506CDB
RGB	rgb(80, 108, 219)
HSL	hsl(228, 66%, 59%)
HSV	hsv(228, 63%, 86%)
CMYK	cmyk(63.5%, 50.7%, 0%, 14.1%)
CIE-LAB	lab(48.94, 24.53, -60.04)
CIE-LCH	lch(48.94, 64.86, 292.22°)
OKLab	oklab(56.89% -0.0013 -0.1721)
OKLCH	oklch(56.89% 0.172 269.6)
XYZ	xyz(21.4527, 17.5432, 69.2597)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506CDB #DBBF50

analogous

#50B1DB #506CDB #7950DB

triadic

#506CDB #DB506C #6CDB50

tetradic

#506CDB #DB50B1 #DBBF50 #50DB79

square

#506CDB #DB50B1 #DBBF50 #50DB79

split-complementary

#506CDB #DB7950 #B1DB50

monochromatic

#1E3692 #2948C5 #506CDB #8397E5 #B6C1F0

Accessibility & contrast

On white

4.66

#506CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#506CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #506CDB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506CDB	#FFFFFF	#000000	##FFFFFF
##506CDB	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7BDF

Deuteranopia (green-blind)

#006ED9

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #506cdb;
/* rgb */ color: rgb(80, 108, 219);
/* oklch */ color: oklch(56.9% 0.172 269.6);

Tailwind

colors: {
  custom: {
    50: '#8e95e7',
    500: '#506cdb',
    950: '#000000',
  },
}

SCSS

$custom: #506cdb;
$custom-light: #8e95e7;
$custom-dark: #000000;

JSON

{
  "hex": "#506cdb",
  "rgb": {
    "r": 80,
    "g": 108,
    "b": 219
  },
  "hsl": {
    "h": 227.914,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.56891,
    "c": 0.17215,
    "h": 269.6
  },
  "luminance": 0.17545
}

Semantic roles & 50–950 ramp

primary

#506CDB

secondary

#DFD4A8

accent

#C73FE9

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #506CDB

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

Preview Lab → · Contrast checker → · Palette generator →