#506DDA#506DDA

#506DDA is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.0% C 0.170 H 269.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#506DDA
RGB	rgb(80, 109, 218)
HSL	hsl(227, 65%, 58%)
HSV	hsv(227, 63%, 85%)
CMYK	cmyk(63.3%, 50%, 0%, 14.5%)
CIE-LAB	lab(49.13, 23.56, -59.16)
CIE-LCH	lch(49.13, 63.68, 291.71°)
OKLab	oklab(57.02% -0.0023 -0.1695)
OKLCH	oklch(57.02% 0.17 269.2)
XYZ	xyz(21.4275, 17.7028, 68.6039)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506DDA #DABD50

analogous

#50B2DA #506DDA #7850DA

triadic

#506DDA #DA506D #6DDA50

tetradic

#506DDA #DA50B2 #DABD50 #50DA78

square

#506DDA #DA50B2 #DABD50 #50DA78

split-complementary

#506DDA #DA7850 #B2DA50

monochromatic

#1F3791 #294AC3 #506DDA #8397E5 #B5C1EF

Accessibility & contrast

On white

4.62

#506DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#506DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #506DDA

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506DDA	#FFFFFF	#000000	##FFFFFF
##506DDA	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#307BDE

Deuteranopia (green-blind)

#046FD8

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #506dda;
/* rgb */ color: rgb(80, 109, 218);
/* oklch */ color: oklch(57.0% 0.170 269.2);

Tailwind

colors: {
  custom: {
    50: '#8e96e6',
    500: '#506dda',
    950: '#000000',
  },
}

SCSS

$custom: #506dda;
$custom-light: #8e96e6;
$custom-dark: #000000;

JSON

{
  "hex": "#506dda",
  "rgb": {
    "r": 80,
    "g": 109,
    "b": 218
  },
  "hsl": {
    "h": 227.391,
    "s": 65.094,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5702,
    "c": 0.16956,
    "h": 269.2
  },
  "luminance": 0.17705
}

Semantic roles & 50–950 ramp

primary

#506DDA

secondary

#DED3A8

accent

#C540E8

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #506DDA

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

Preview Lab → · Contrast checker → · Palette generator →