#505FDB#505FDB

#505FDB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.4% C 0.188 H 273.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#505FDB
RGB	rgb(80, 95, 219)
HSL	hsl(234, 66%, 59%)
HSV	hsv(234, 63%, 86%)
CMYK	cmyk(63.5%, 56.6%, 0%, 14.1%)
CIE-LAB	lab(45.64, 32.62, -65.38)
CIE-LCH	lch(45.64, 73.06, 296.51°)
OKLab	oklab(54.41% 0.0105 -0.188)
OKLCH	oklch(54.41% 0.188 273.2)
XYZ	xyz(20.1824, 15.0026, 68.8363)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FDB #DBCC50

analogous

#50A4DB #505FDB #8650DB

triadic

#505FDB #DB505F #5FDB50

tetradic

#505FDB #DB50A4 #DBCC50 #50DB86

square

#505FDB #DB50A4 #DBCC50 #50DB86

split-complementary

#505FDB #DB8650 #A4DB50

monochromatic

#1E2B92 #2939C5 #505FDB #838DE5 #B6BCF0

Accessibility & contrast

On white

5.25

#505FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#505FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FDB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FDB	#FFFFFF	#000000	##FFFFFF
##505FDB	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DF

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#007D94

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #505fdb;
/* rgb */ color: rgb(80, 95, 219);
/* oklch */ color: oklch(54.4% 0.188 273.2);

Tailwind

colors: {
  custom: {
    50: '#8f8ce7',
    500: '#505fdb',
    950: '#000000',
  },
}

SCSS

$custom: #505fdb;
$custom-light: #8f8ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#505fdb",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 219
  },
  "hsl": {
    "h": 233.525,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.54413,
    "c": 0.18831,
    "h": 273.2
  },
  "luminance": 0.15004
}

Semantic roles & 50–950 ramp

primary

#505FDB

secondary

#DFD9A8

accent

#D63FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #505FDB

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

Preview Lab → · Contrast checker → · Palette generator →