#505DD3#505DD3

#505DD3 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.4% C 0.180 H 273.9°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#505DD3
RGB	rgb(80, 93, 211)
HSL	hsl(234, 60%, 57%)
HSV	hsv(234, 62%, 83%)
CMYK	cmyk(62.1%, 55.9%, 0%, 17.3%)
CIE-LAB	lab(44.57, 31.16, -62.55)
CIE-LCH	lch(44.57, 69.88, 296.48°)
OKLab	oklab(53.44% 0.0122 -0.1797)
OKLCH	oklch(53.44% 0.18 273.9)
XYZ	xyz(18.9766, 14.2358, 63.3631)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DD3 #D3C650

analogous

#509ED3 #505DD3 #8550D3

triadic

#505DD3 #D3505D #5DD350

tetradic

#505DD3 #D3509E #D3C650 #50D385

square

#505DD3 #D3509E #D3C650 #50D385

split-complementary

#505DD3 #D38550 #9ED350

monochromatic

#222C87 #2E3CB8 #505DD3 #818ADF #B2B8EC

Accessibility & contrast

On white

5.46

#505DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#505DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DD3

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DD3	#FFFFFF	#000000	##FFFFFF
##505DD3	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD7

Deuteranopia (green-blind)

#0064D1

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #505dd3;
/* rgb */ color: rgb(80, 93, 211);
/* oklch */ color: oklch(53.4% 0.180 273.9);

Tailwind

colors: {
  custom: {
    50: '#8e8ae1',
    500: '#505dd3',
    950: '#000000',
  },
}

SCSS

$custom: #505dd3;
$custom-light: #8e8ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#505dd3",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 211
  },
  "hsl": {
    "h": 234.046,
    "s": 59.817,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53435,
    "c": 0.18011,
    "h": 273.9
  },
  "luminance": 0.14237
}

Semantic roles & 50–950 ramp

primary

#505DD3

secondary

#DAD5A5

accent

#D345E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505DD3

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

Preview Lab → · Contrast checker → · Palette generator →