#505DD9#505DD9

#505DD9 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.9% C 0.188 H 273.7°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#505DD9
RGB	rgb(80, 93, 217)
HSL	hsl(234, 64%, 58%)
HSV	hsv(234, 63%, 85%)
CMYK	cmyk(63.1%, 57.1%, 0%, 14.9%)
CIE-LAB	lab(45.00, 33.18, -65.27)
CIE-LCH	lch(45.00, 73.22, 296.95°)
OKLab	oklab(53.89% 0.0123 -0.1877)
OKLCH	oklch(53.89% 0.188 273.7)
XYZ	xyz(19.7429, 14.5423, 67.3987)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DD9 #D9CC50

analogous

#50A1D9 #505DD9 #8850D9

triadic

#505DD9 #D9505D #5DD950

tetradic

#505DD9 #D950A1 #D9CC50 #50D988

square

#505DD9 #D950A1 #D9CC50 #50D988

split-complementary

#505DD9 #D98850 #A1D950

monochromatic

#1F2A8F #2A38C2 #505DD9 #828CE4 #B5BAEF

Accessibility & contrast

On white

5.37

#505DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#505DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DD9

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DD9	#FFFFFF	#000000	##FFFFFF
##505DD9	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DD

Deuteranopia (green-blind)

#0065D7

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #505dd9;
/* rgb */ color: rgb(80, 93, 217);
/* oklch */ color: oklch(53.9% 0.188 273.7);

Tailwind

colors: {
  custom: {
    50: '#8f8ae6',
    500: '#505dd9',
    950: '#000000',
  },
}

SCSS

$custom: #505dd9;
$custom-light: #8f8ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#505dd9",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 217
  },
  "hsl": {
    "h": 234.307,
    "s": 64.319,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53893,
    "c": 0.18812,
    "h": 273.7
  },
  "luminance": 0.14544
}

Semantic roles & 50–950 ramp

primary

#505DD9

secondary

#DED9A7

accent

#D740E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #505DD9

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

Preview Lab → · Contrast checker → · Palette generator →