#506DDD#506DDD

#506DDD is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.2% C 0.174 H 269.3°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#506DDD
RGB	rgb(80, 109, 221)
HSL	hsl(228, 67%, 59%)
HSV	hsv(228, 64%, 87%)
CMYK	cmyk(63.8%, 50.7%, 0%, 13.3%)
CIE-LAB	lab(49.33, 24.59, -60.55)
CIE-LCH	lch(49.33, 65.35, 292.10°)
OKLab	oklab(57.23% -0.002 -0.1736)
OKLCH	oklch(57.23% 0.174 269.3)
XYZ	xyz(21.8236, 17.8613, 70.6901)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506DDD #DDC050

analogous

#50B3DD #506DDD #7A50DD

triadic

#506DDD #DD506D #6DDD50

tetradic

#506DDD #DD50B3 #DDC050 #50DD7A

square

#506DDD #DD50B3 #DDC050 #50DD7A

split-complementary

#506DDD #DD7A50 #B3DD50

monochromatic

#1D3696 #2748C9 #506DDD #8398E7 #B6C3F1

Accessibility & contrast

On white

4.59

#506DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#506DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #506DDD

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506DDD	#FFFFFF	#000000	##FFFFFF
##506DDD	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7CE1

Deuteranopia (green-blind)

#006FDB

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #506ddd;
/* rgb */ color: rgb(80, 109, 221);
/* oklch */ color: oklch(57.2% 0.174 269.3);

Tailwind

colors: {
  custom: {
    50: '#8f96e8',
    500: '#506ddd',
    950: '#000000',
  },
}

SCSS

$custom: #506ddd;
$custom-light: #8f96e8;
$custom-dark: #000000;

JSON

{
  "hex": "#506ddd",
  "rgb": {
    "r": 80,
    "g": 109,
    "b": 221
  },
  "hsl": {
    "h": 227.66,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.57228,
    "c": 0.17363,
    "h": 269.3
  },
  "luminance": 0.17863
}

Semantic roles & 50–950 ramp

primary

#506DDD

secondary

#E0D5A9

accent

#C73DEA

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #506DDD

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

Preview Lab → · Contrast checker → · Palette generator →