#506DDB#506DDB

#506DDB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.1% C 0.171 H 269.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#506DDB
RGB	rgb(80, 109, 219)
HSL	hsl(227, 66%, 59%)
HSV	hsv(227, 63%, 86%)
CMYK	cmyk(63.5%, 50.2%, 0%, 14.1%)
CIE-LAB	lab(49.20, 23.90, -59.62)
CIE-LCH	lch(49.20, 64.24, 291.85°)
OKLab	oklab(57.09% -0.0022 -0.1709)
OKLCH	oklch(57.09% 0.171 269.3)
XYZ	xyz(21.5587, 17.7553, 69.2951)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506DDB #DBBE50

analogous

#50B2DB #506DDB #7850DB

triadic

#506DDB #DB506D #6DDB50

tetradic

#506DDB #DB50B2 #DBBE50 #50DB78

square

#506DDB #DB50B2 #DBBE50 #50DB78

split-complementary

#506DDB #DB7850 #B2DB50

monochromatic

#1E3692 #2949C5 #506DDB #8397E5 #B6C2F0

Accessibility & contrast

On white

4.61

#506DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#506DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #506DDB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506DDB	#FFFFFF	#000000	##FFFFFF
##506DDB	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7BDF

Deuteranopia (green-blind)

#006FD9

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #506ddb;
/* rgb */ color: rgb(80, 109, 219);
/* oklch */ color: oklch(57.1% 0.171 269.3);

Tailwind

colors: {
  custom: {
    50: '#8e96e7',
    500: '#506ddb',
    950: '#000000',
  },
}

SCSS

$custom: #506ddb;
$custom-light: #8e96e7;
$custom-dark: #000000;

JSON

{
  "hex": "#506ddb",
  "rgb": {
    "r": 80,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 227.482,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.57089,
    "c": 0.17091,
    "h": 269.3
  },
  "luminance": 0.17757
}

Semantic roles & 50–950 ramp

primary

#506DDB

secondary

#DFD3A8

accent

#C53FE9

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #506DDB

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

Preview Lab → · Contrast checker → · Palette generator →