#505BD5#505BD5

#505BD5 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.2% C 0.185 H 274.3°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#505BD5
RGB	rgb(80, 91, 213)
HSL	hsl(235, 61%, 57%)
HSV	hsv(235, 62%, 84%)
CMYK	cmyk(62.4%, 57.3%, 0%, 16.5%)
CIE-LAB	lab(44.22, 33.07, -64.26)
CIE-LCH	lch(44.22, 72.27, 297.23°)
OKLab	oklab(53.22% 0.014 -0.1848)
OKLCH	oklch(53.22% 0.185 274.3)
XYZ	xyz(19.0556, 13.9902, 64.6341)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BD5 #D5CA50

analogous

#509DD5 #505BD5 #8850D5

triadic

#505BD5 #D5505B #5BD550

tetradic

#505BD5 #D5509D #D5CA50 #50D588

square

#505BD5 #D5509D #D5CA50 #50D588

split-complementary

#505BD5 #D58850 #9DD550

monochromatic

#212A8A #2D39BB #505BD5 #8189E1 #B3B8ED

Accessibility & contrast

On white

5.53

#505BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#505BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BD5

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BD5	#FFFFFF	#000000	##FFFFFF
##505BD5	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD9

Deuteranopia (green-blind)

#0063D3

Tritanopia (blue-blind)

#00788F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #505bd5;
/* rgb */ color: rgb(80, 91, 213);
/* oklch */ color: oklch(53.2% 0.185 274.3);

Tailwind

colors: {
  custom: {
    50: '#8e89e3',
    500: '#505bd5',
    950: '#000000',
  },
}

SCSS

$custom: #505bd5;
$custom-light: #8e89e3;
$custom-dark: #000000;

JSON

{
  "hex": "#505bd5",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 213
  },
  "hsl": {
    "h": 235.038,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53219,
    "c": 0.18529,
    "h": 274.3
  },
  "luminance": 0.13992
}

Semantic roles & 50–950 ramp

primary

#505BD5

secondary

#DBD7A6

accent

#D743E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B15

muted

#7E7C84

Preview Lab

Preview with #505BD5

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

Preview Lab → · Contrast checker → · Palette generator →