#505FB2#505FB2

#505FB2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.5% C 0.131 H 273.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#505FB2
RGB	rgb(80, 95, 178)
HSL	hsl(231, 39%, 51%)
HSV	hsv(231, 55%, 70%)
CMYK	cmyk(55.1%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(42.92, 18.82, -46.09)
CIE-LCH	lch(42.92, 49.78, 292.22°)
OKLab	oklab(51.5% 0.0074 -0.1313)
OKLCH	oklch(51.5% 0.131 273.2)
XYZ	xyz(15.4338, 13.1032, 43.8267)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FB2 #B2A350

analogous

#5090B2 #505FB2 #7250B2

triadic

#505FB2 #B2505F #5FB250

tetradic

#505FB2 #B25090 #B2A350 #50B272

square

#505FB2 #B25090 #B2A350 #50B272

split-complementary

#505FB2 #B27250 #90B250

monochromatic

#29325E #3C4889 #505FB2 #7A86C5 #A5ADD7

Accessibility & contrast

On white

5.80

#505FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#505FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FB2

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FB2	#FFFFFF	#000000	##FFFFFF
##505FB2	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396AB5

Deuteranopia (green-blind)

#2D61B0

Tritanopia (blue-blind)

#1D7180

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #505fb2;
/* rgb */ color: rgb(80, 95, 178);
/* oklch */ color: oklch(51.5% 0.131 273.2);

Tailwind

colors: {
  custom: {
    50: '#888cc9',
    500: '#505fb2',
    950: '#000000',
  },
}

SCSS

$custom: #505fb2;
$custom-light: #888cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#505fb2",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 230.816,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51498,
    "c": 0.13148,
    "h": 273.2
  },
  "luminance": 0.13104
}

Semantic roles & 50–950 ramp

primary

#505FB2

secondary

#C5BE99

accent

#BD59CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #505FB2

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

Preview Lab → · Contrast checker → · Palette generator →