#505CB4#505CB4

#505CB4 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.138 H 274.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#505CB4
RGB	rgb(80, 92, 180)
HSL	hsl(233, 40%, 51%)
HSV	hsv(233, 56%, 71%)
CMYK	cmyk(55.6%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(42.24, 21.39, -48.35)
CIE-LCH	lch(42.24, 52.87, 293.86°)
OKLab	oklab(51.02% 0.011 -0.1379)
OKLCH	oklch(51.02% 0.138 274.6)
XYZ	xyz(15.3710, 12.6540, 44.8037)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505CB4 #B4A850

analogous

#508EB4 #505CB4 #7650B4

triadic

#505CB4 #B4505C #5CB450

tetradic

#505CB4 #B4508E #B4A850 #50B476

square

#505CB4 #B4508E #B4A850 #50B476

split-complementary

#505CB4 #B47650 #8EB450

monochromatic

#293060 #3C458B #505CB4 #7B84C6 #A6ACD9

Accessibility & contrast

On white

5.95

#505CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#505CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505CB4

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505CB4	#FFFFFF	#000000	##FFFFFF
##505CB4	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B7

Deuteranopia (green-blind)

#2460B2

Tritanopia (blue-blind)

#1B707F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #505cb4;
/* rgb */ color: rgb(80, 92, 180);
/* oklch */ color: oklch(51.0% 0.138 274.6);

Tailwind

colors: {
  custom: {
    50: '#898acb',
    500: '#505cb4',
    950: '#000000',
  },
}

SCSS

$custom: #505cb4;
$custom-light: #898acb;
$custom-dark: #000000;

JSON

{
  "hex": "#505cb4",
  "rgb": {
    "r": 80,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 232.8,
    "s": 40,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5102,
    "c": 0.13838,
    "h": 274.6
  },
  "luminance": 0.12655
}

Semantic roles & 50–950 ramp

primary

#505CB4

secondary

#C6C19A

accent

#C158D0

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505CB4

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

Preview Lab → · Contrast checker → · Palette generator →