#505AB2#505AB2

#505AB2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.5% C 0.138 H 275.4°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#505AB2
RGB	rgb(80, 90, 178)
HSL	hsl(234, 39%, 51%)
HSV	hsv(234, 55%, 70%)
CMYK	cmyk(55.1%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(41.58, 21.99, -48.23)
CIE-LCH	lch(41.58, 53.01, 294.51°)
OKLab	oklab(50.48% 0.0131 -0.1376)
OKLCH	oklch(50.48% 0.138 275.4)
XYZ	xyz(14.9977, 12.2311, 43.6814)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505AB2 #B2A850

analogous

#508BB2 #505AB2 #7750B2

triadic

#505AB2 #B2505A #5AB250

tetradic

#505AB2 #B2508B #B2A850 #50B277

square

#505AB2 #B2508B #B2A850 #50B277

split-complementary

#505AB2 #B27750 #8BB250

monochromatic

#292F5E #3C4489 #505AB2 #7A82C5 #A5AAD7

Accessibility & contrast

On white

6.09

#505AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#505AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505AB2

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505AB2	#FFFFFF	#000000	##FFFFFF
##505AB2	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B5

Deuteranopia (green-blind)

#225EB0

Tritanopia (blue-blind)

#1E6E7D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #505ab2;
/* rgb */ color: rgb(80, 90, 178);
/* oklch */ color: oklch(50.5% 0.138 275.4);

Tailwind

colors: {
  custom: {
    50: '#8988c9',
    500: '#505ab2',
    950: '#000000',
  },
}

SCSS

$custom: #505ab2;
$custom-light: #8988c9;
$custom-dark: #000000;

JSON

{
  "hex": "#505ab2",
  "rgb": {
    "r": 80,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 233.878,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50483,
    "c": 0.13823,
    "h": 275.4
  },
  "luminance": 0.12232
}

Semantic roles & 50–950 ramp

primary

#505AB2

secondary

#C5C099

accent

#C359CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505AB2

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

Preview Lab → · Contrast checker → · Palette generator →