#505BC4#505BC4

#505BC4 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.162 H 274.8°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#505BC4
RGB	rgb(80, 91, 196)
HSL	hsl(234, 50%, 54%)
HSV	hsv(234, 59%, 77%)
CMYK	cmyk(59.2%, 53.6%, 0%, 23.1%)
CIE-LAB	lab(43.02, 27.37, -56.41)
CIE-LCH	lch(43.02, 62.70, 295.88°)
OKLab	oklab(51.94% 0.0135 -0.1617)
OKLCH	oklch(51.94% 0.162 274.8)
XYZ	xyz(17.0099, 13.1719, 53.8599)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BC4 #C4B950

analogous

#5095C4 #505BC4 #7F50C4

triadic

#505BC4 #C4505B #5BC450

tetradic

#505BC4 #C45095 #C4B950 #50C47F

square

#505BC4 #C45095 #C4B950 #50C47F

split-complementary

#505BC4 #C47F50 #95C450

monochromatic

#272E73 #3640A1 #505BC4 #7E86D3 #ACB1E3

Accessibility & contrast

On white

5.78

#505BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#505BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BC4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BC4	#FFFFFF	#000000	##FFFFFF
##505BC4	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186BC8

Deuteranopia (green-blind)

#0061C2

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505bc4;
/* rgb */ color: rgb(80, 91, 196);
/* oklch */ color: oklch(51.9% 0.162 274.8);

Tailwind

colors: {
  custom: {
    50: '#8b89d7',
    500: '#505bc4',
    950: '#000000',
  },
}

SCSS

$custom: #505bc4;
$custom-light: #8b89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#505bc4",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 196
  },
  "hsl": {
    "h": 234.31,
    "s": 49.573,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51945,
    "c": 0.16223,
    "h": 274.8
  },
  "luminance": 0.13173
}

Semantic roles & 50–950 ramp

primary

#505BC4

secondary

#D1CC9F

accent

#CC4FD9

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #505BC4

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

Preview Lab → · Contrast checker → · Palette generator →