#505DB3#505DB3

#505DB3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.136 H 274.1°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#505DB3
RGB	rgb(80, 93, 179)
HSL	hsl(232, 39%, 51%)
HSV	hsv(232, 55%, 70%)
CMYK	cmyk(55.3%, 48%, 0%, 29.8%)
CIE-LAB	lab(42.44, 20.42, -47.44)
CIE-LCH	lch(42.44, 51.64, 293.29°)
OKLab	oklab(51.15% 0.0098 -0.1352)
OKLCH	oklch(51.15% 0.136 274.1)
XYZ	xyz(15.3567, 12.7878, 44.2981)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DB3 #B3A650

analogous

#508EB3 #505DB3 #7450B3

triadic

#505DB3 #B3505D #5DB350

tetradic

#505DB3 #B3508E #B3A650 #50B374

square

#505DB3 #B3508E #B3A650 #50B374

split-complementary

#505DB3 #B37450 #8EB350

monochromatic

#29305F #3C468A #505DB3 #7B84C6 #A5ACD8

Accessibility & contrast

On white

5.90

#505DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#505DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DB3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DB3	#FFFFFF	#000000	##FFFFFF
##505DB3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B6

Deuteranopia (green-blind)

#2860B1

Tritanopia (blue-blind)

#1C707F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #505db3;
/* rgb */ color: rgb(80, 93, 179);
/* oklch */ color: oklch(51.2% 0.136 274.1);

Tailwind

colors: {
  custom: {
    50: '#898aca',
    500: '#505db3',
    950: '#000000',
  },
}

SCSS

$custom: #505db3;
$custom-light: #898aca;
$custom-dark: #000000;

JSON

{
  "hex": "#505db3",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 232.121,
    "s": 39.442,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51155,
    "c": 0.1356,
    "h": 274.1
  },
  "luminance": 0.12789
}

Semantic roles & 50–950 ramp

primary

#505DB3

secondary

#C5C099

accent

#C058CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505DB3

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

Preview Lab → · Contrast checker → · Palette generator →