#505DBC#505DBC

#505DBC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.148 H 274.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#505DBC
RGB	rgb(80, 93, 188)
HSL	hsl(233, 45%, 53%)
HSV	hsv(233, 57%, 74%)
CMYK	cmyk(57.4%, 50.5%, 0%, 26.3%)
CIE-LAB	lab(43.01, 23.42, -51.78)
CIE-LCH	lch(43.01, 56.84, 294.34°)
OKLab	oklab(51.77% 0.0108 -0.148)
OKLCH	oklch(51.77% 0.148 274.2)
XYZ	xyz(16.2968, 13.1638, 49.2493)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DBC #BCAF50

analogous

#5093BC #505DBC #7950BC

triadic

#505DBC #BC505D #5DBC50

tetradic

#505DBC #BC5093 #BCAF50 #50BC79

square

#505DBC #BC5093 #BCAF50 #50BC79

split-complementary

#505DBC #BC7950 #93BC50

monochromatic

#283069 #394496 #505DBC #7C86CD #A9AFDE

Accessibility & contrast

On white

5.78

#505DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#505DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DBC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DBC	#FFFFFF	#000000	##FFFFFF
##505DBC	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)

#2B6ABF

Deuteranopia (green-blind)

#1861BA

Tritanopia (blue-blind)

#087284

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505dbc;
/* rgb */ color: rgb(80, 93, 188);
/* oklch */ color: oklch(51.8% 0.148 274.2);

Tailwind

colors: {
  custom: {
    50: '#8a8ad1',
    500: '#505dbc',
    950: '#000000',
  },
}

SCSS

$custom: #505dbc;
$custom-light: #8a8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#505dbc",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 188
  },
  "hsl": {
    "h": 232.778,
    "s": 44.628,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51767,
    "c": 0.14843,
    "h": 274.2
  },
  "luminance": 0.13165
}

Semantic roles & 50–950 ramp

primary

#505DBC

secondary

#CBC69C

accent

#C553D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #505DBC

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

Preview Lab → · Contrast checker → · Palette generator →