#505CB2#505CB2

#505CB2 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.136 H 274.6°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#505CB2
RGB	rgb(80, 92, 178)
HSL	hsl(233, 39%, 51%)
HSV	hsv(233, 55%, 70%)
CMYK	cmyk(55.1%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(42.11, 20.72, -47.38)
CIE-LCH	lch(42.11, 51.71, 293.63°)
OKLab	oklab(50.89% 0.0108 -0.1351)
OKLCH	oklch(50.89% 0.136 274.6)
XYZ	xyz(15.1687, 12.5731, 43.7384)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505CB2 #B2A650

analogous

#508DB2 #505CB2 #7550B2

triadic

#505CB2 #B2505C #5CB250

tetradic

#505CB2 #B2508D #B2A650 #50B275

square

#505CB2 #B2508D #B2A650 #50B275

split-complementary

#505CB2 #B27550 #8DB250

monochromatic

#29305E #3C4689 #505CB2 #7A84C5 #A5ABD7

Accessibility & contrast

On white

5.97

#505CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#505CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505CB2

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505CB2	#FFFFFF	#000000	##FFFFFF
##505CB2	1.00	5.97	3.51	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B5

Deuteranopia (green-blind)

#275FB0

Tritanopia (blue-blind)

#1E6F7E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #505cb2;
/* rgb */ color: rgb(80, 92, 178);
/* oklch */ color: oklch(50.9% 0.136 274.6);

Tailwind

colors: {
  custom: {
    50: '#898ac9',
    500: '#505cb2',
    950: '#000000',
  },
}

SCSS

$custom: #505cb2;
$custom-light: #898ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#505cb2",
  "rgb": {
    "r": 80,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 232.653,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50886,
    "c": 0.13551,
    "h": 274.6
  },
  "luminance": 0.12574
}

Semantic roles & 50–950 ramp

primary

#505CB2

secondary

#C5BF99

accent

#C059CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505CB2

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

Preview Lab → · Contrast checker → · Palette generator →