#505BD9#505BD9

#505BD9 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.5% C 0.191 H 274.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#505BD9
RGB	rgb(80, 91, 217)
HSL	hsl(235, 64%, 58%)
HSV	hsv(235, 63%, 85%)
CMYK	cmyk(63.1%, 58.1%, 0%, 14.9%)
CIE-LAB	lab(44.51, 34.42, -66.07)
CIE-LCH	lch(44.51, 74.50, 297.52°)
OKLab	oklab(53.53% 0.014 -0.1901)
OKLCH	oklch(53.53% 0.191 274.2)
XYZ	xyz(19.5696, 14.1957, 67.3410)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BD9 #D9CE50

analogous

#50A0D9 #505BD9 #8950D9

triadic

#505BD9 #D9505B #5BD950

tetradic

#505BD9 #D950A0 #D9CE50 #50D989

square

#505BD9 #D950A0 #D9CE50 #50D989

split-complementary

#505BD9 #D98950 #A0D950

monochromatic

#1F288F #2A36C2 #505BD9 #828AE4 #B5B9EF

Accessibility & contrast

On white

5.47

#505BD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#505BD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BD9

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BD9	#FFFFFF	#000000	##FFFFFF
##505BD9	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDD

Deuteranopia (green-blind)

#0063D6

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #505bd9;
/* rgb */ color: rgb(80, 91, 217);
/* oklch */ color: oklch(53.5% 0.191 274.2);

Tailwind

colors: {
  custom: {
    50: '#8f89e6',
    500: '#505bd9',
    950: '#000000',
  },
}

SCSS

$custom: #505bd9;
$custom-light: #8f89e6;
$custom-dark: #000000;

JSON

{
  "hex": "#505bd9",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 217
  },
  "hsl": {
    "h": 235.182,
    "s": 64.319,
    "l": 58.235
  },
  "oklch": {
    "l": 0.5353,
    "c": 0.19059,
    "h": 274.2
  },
  "luminance": 0.14197
}

Semantic roles & 50–950 ramp

primary

#505BD9

secondary

#DED9A7

accent

#DA40E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #505BD9

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

Preview Lab → · Contrast checker → · Palette generator →