#506FCC#506FCC

#506FCC is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.5% C 0.148 H 267.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#506FCC
RGB	rgb(80, 111, 204)
HSL	hsl(225, 55%, 56%)
HSV	hsv(225, 61%, 80%)
CMYK	cmyk(60.8%, 45.6%, 0%, 20%)
CIE-LAB	lab(48.80, 17.53, -51.72)
CIE-LCH	lch(48.80, 54.61, 288.72°)
OKLab	oklab(56.49% -0.0061 -0.1476)
OKLCH	oklch(56.49% 0.148 267.6)
XYZ	xyz(19.8881, 17.4323, 59.4317)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506FCC #CCAD50

analogous

#50ADCC #506FCC #6F50CC

triadic

#506FCC #CC506F #6FCC50

tetradic

#506FCC #CC50AD #CCAD50 #50CC6F

square

#506FCC #CC50AD #CCAD50 #50CC6F

split-complementary

#506FCC #CC6F50 #ADCC50

monochromatic

#243B7D #3251AD #506FCC #7F96DA #AFBDE8

Accessibility & contrast

On white

4.68

#506FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#506FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #506FCC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506FCC	#FFFFFF	#000000	##FFFFFF
##506FCC	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437ACF

Deuteranopia (green-blind)

#2F6FCA

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #506fcc;
/* rgb */ color: rgb(80, 111, 204);
/* oklch */ color: oklch(56.5% 0.148 267.6);

Tailwind

colors: {
  custom: {
    50: '#8c97dc',
    500: '#506fcc',
    950: '#000000',
  },
}

SCSS

$custom: #506fcc;
$custom-light: #8c97dc;
$custom-dark: #000000;

JSON

{
  "hex": "#506fcc",
  "rgb": {
    "r": 80,
    "g": 111,
    "b": 204
  },
  "hsl": {
    "h": 225,
    "s": 54.867,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56487,
    "c": 0.14777,
    "h": 267.6
  },
  "luminance": 0.17434
}

Semantic roles & 50–950 ramp

primary

#506FCC

secondary

#D6C9A2

accent

#B94ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #506FCC

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

Preview Lab → · Contrast checker → · Palette generator →