#505BCE#505BCE

#505BCE is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.176 H 274.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#505BCE
RGB	rgb(80, 91, 206)
HSL	hsl(235, 56%, 56%)
HSV	hsv(235, 61%, 81%)
CMYK	cmyk(61.2%, 55.8%, 0%, 19.2%)
CIE-LAB	lab(43.72, 30.72, -61.06)
CIE-LCH	lch(43.72, 68.35, 296.71°)
OKLab	oklab(52.69% 0.0139 -0.1753)
OKLCH	oklch(52.69% 0.176 274.5)
XYZ	xyz(18.1863, 13.6424, 60.0554)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BCE #CEC350

analogous

#509ACE #505BCE #8450CE

triadic

#505BCE #CE505B #5BCE50

tetradic

#505BCE #CE509A #CEC350 #50CE84

square

#505BCE #CE509A #CEC350 #50CE84

split-complementary

#505BCE #CE8450 #9ACE50

monochromatic

#242C80 #313CB0 #505BCE #8088DB #B0B5E9

Accessibility & contrast

On white

5.63

#505BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#505BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BCE

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BCE	#FFFFFF	#000000	##FFFFFF
##505BCE	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#0062CC

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #505bce;
/* rgb */ color: rgb(80, 91, 206);
/* oklch */ color: oklch(52.7% 0.176 274.5);

Tailwind

colors: {
  custom: {
    50: '#8d89de',
    500: '#505bce',
    950: '#000000',
  },
}

SCSS

$custom: #505bce;
$custom-light: #8d89de;
$custom-dark: #000000;

JSON

{
  "hex": "#505bce",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 206
  },
  "hsl": {
    "h": 234.762,
    "s": 56.25,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52686,
    "c": 0.1759,
    "h": 274.5
  },
  "luminance": 0.13644
}

Semantic roles & 50–950 ramp

primary

#505BCE

secondary

#D7D2A3

accent

#D248E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505BCE

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

Preview Lab → · Contrast checker → · Palette generator →