#505FB3#505FB3

#505FB3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.133 H 273.3°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#505FB3
RGB	rgb(80, 95, 179)
HSL	hsl(231, 39%, 51%)
HSV	hsv(231, 55%, 70%)
CMYK	cmyk(55.3%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(42.98, 19.16, -46.58)
CIE-LCH	lch(42.98, 50.36, 292.36°)
OKLab	oklab(51.56% 0.0075 -0.1327)
OKLCH	oklch(51.56% 0.133 273.3)
XYZ	xyz(15.5345, 13.1435, 44.3574)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FB3 #B3A450

analogous

#5090B3 #505FB3 #7250B3

triadic

#505FB3 #B3505F #5FB350

tetradic

#505FB3 #B35090 #B3A450 #50B372

square

#505FB3 #B35090 #B3A450 #50B372

split-complementary

#505FB3 #B37250 #90B350

monochromatic

#29325F #3C488A #505FB3 #7B86C6 #A5ADD8

Accessibility & contrast

On white

5.79

#505FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#505FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FB3

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FB3	#FFFFFF	#000000	##FFFFFF
##505FB3	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396AB6

Deuteranopia (green-blind)

#2C61B1

Tritanopia (blue-blind)

#1C7280

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #505fb3;
/* rgb */ color: rgb(80, 95, 179);
/* oklch */ color: oklch(51.6% 0.133 273.3);

Tailwind

colors: {
  custom: {
    50: '#898cca',
    500: '#505fb3',
    950: '#000000',
  },
}

SCSS

$custom: #505fb3;
$custom-light: #898cca;
$custom-dark: #000000;

JSON

{
  "hex": "#505fb3",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 230.909,
    "s": 39.442,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51563,
    "c": 0.13291,
    "h": 273.3
  },
  "luminance": 0.13145
}

Semantic roles & 50–950 ramp

primary

#505FB3

secondary

#C5BF99

accent

#BD58CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #505FB3

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

Preview Lab → · Contrast checker → · Palette generator →