#505FD9#505FD9

#505FD9 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.3% C 0.186 H 273.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#505FD9
RGB	rgb(80, 95, 217)
HSL	hsl(233, 64%, 58%)
HSV	hsv(233, 63%, 85%)
CMYK	cmyk(63.1%, 56.2%, 0%, 14.9%)
CIE-LAB	lab(45.49, 31.94, -64.47)
CIE-LCH	lch(45.49, 71.95, 296.35°)
OKLab	oklab(54.26% 0.0105 -0.1853)
OKLCH	oklch(54.26% 0.186 273.2)
XYZ	xyz(19.9207, 14.8979, 67.4580)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FD9 #D9CA50

analogous

#50A3D9 #505FD9 #8550D9

triadic

#505FD9 #D9505F #5FD950

tetradic

#505FD9 #D950A3 #D9CA50 #50D985

square

#505FD9 #D950A3 #D9CA50 #50D985

split-complementary

#505FD9 #D98550 #A3D950

monochromatic

#1F2B8F #2A3BC2 #505FD9 #828DE4 #B5BBEF

Accessibility & contrast

On white

5.28

#505FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#505FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FD9

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FD9	#FFFFFF	#000000	##FFFFFF
##505FD9	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DD

Deuteranopia (green-blind)

#0066D7

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #505fd9;
/* rgb */ color: rgb(80, 95, 217);
/* oklch */ color: oklch(54.3% 0.186 273.2);

Tailwind

colors: {
  custom: {
    50: '#8f8ce6',
    500: '#505fd9',
    950: '#000000',
  },
}

SCSS

$custom: #505fd9;
$custom-light: #8f8ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#505fd9",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 217
  },
  "hsl": {
    "h": 233.431,
    "s": 64.319,
    "l": 58.235
  },
  "oklch": {
    "l": 0.5426,
    "c": 0.18565,
    "h": 273.2
  },
  "luminance": 0.149
}

Semantic roles & 50–950 ramp

primary

#505FD9

secondary

#DED8A7

accent

#D540E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #505FD9

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

Preview Lab → · Contrast checker → · Palette generator →