#505DBA#505DBA

#505DBA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.146 H 274.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#505DBA
RGB	rgb(80, 93, 186)
HSL	hsl(233, 43%, 52%)
HSV	hsv(233, 57%, 73%)
CMYK	cmyk(57%, 50%, 0%, 27.1%)
CIE-LAB	lab(42.88, 22.76, -50.82)
CIE-LCH	lch(42.88, 55.69, 294.12°)
OKLab	oklab(51.63% 0.0106 -0.1452)
OKLCH	oklch(51.63% 0.146 274.2)
XYZ	xyz(16.0827, 13.0782, 48.1217)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DBA #BAAD50

analogous

#5092BA #505DBA #7850BA

triadic

#505DBA #BA505D #5DBA50

tetradic

#505DBA #BA5092 #BAAD50 #50BA78

square

#505DBA #BA5092 #BAAD50 #50BA78

split-complementary

#505DBA #BA7850 #92BA50

monochromatic

#293067 #3A4593 #505DBA #7C86CB #A8AEDD

Accessibility & contrast

On white

5.81

#505DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#505DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DBA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DBA	#FFFFFF	#000000	##FFFFFF
##505DBA	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6ABD

Deuteranopia (green-blind)

#1C61B8

Tritanopia (blue-blind)

#0E7283

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #505dba;
/* rgb */ color: rgb(80, 93, 186);
/* oklch */ color: oklch(51.6% 0.146 274.2);

Tailwind

colors: {
  custom: {
    50: '#8a8acf',
    500: '#505dba',
    950: '#000000',
  },
}

SCSS

$custom: #505dba;
$custom-light: #8a8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#505dba",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 232.642,
    "s": 43.443,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51629,
    "c": 0.1456,
    "h": 274.2
  },
  "luminance": 0.13079
}

Semantic roles & 50–950 ramp

primary

#505DBA

secondary

#CAC49C

accent

#C455D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #505DBA

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

Preview Lab → · Contrast checker → · Palette generator →