#505DB5#505DB5

#505DB5 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.138 H 274.2°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#505DB5
RGB	rgb(80, 93, 181)
HSL	hsl(232, 41%, 51%)
HSV	hsv(232, 56%, 71%)
CMYK	cmyk(55.8%, 48.6%, 0%, 29%)
CIE-LAB	lab(42.57, 21.09, -48.41)
CIE-LCH	lch(42.57, 52.80, 293.54°)
OKLab	oklab(51.29% 0.01 -0.1381)
OKLCH	oklch(51.29% 0.138 274.2)
XYZ	xyz(15.5604, 12.8693, 45.3712)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DB5 #B5A850

analogous

#508FB5 #505DB5 #7550B5

triadic

#505DB5 #B5505D #5DB550

tetradic

#505DB5 #B5508F #B5A850 #50B575

square

#505DB5 #B5508F #B5A850 #50B575

split-complementary

#505DB5 #B57550 #8FB550

monochromatic

#293061 #3B468C #505DB5 #7B85C7 #A6ADD9

Accessibility & contrast

On white

5.88

#505DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#505DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DB5

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DB5	#FFFFFF	#000000	##FFFFFF
##505DB5	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3369B8

Deuteranopia (green-blind)

#2560B3

Tritanopia (blue-blind)

#197180

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #505db5;
/* rgb */ color: rgb(80, 93, 181);
/* oklch */ color: oklch(51.3% 0.138 274.2);

Tailwind

colors: {
  custom: {
    50: '#898acc',
    500: '#505db5',
    950: '#000000',
  },
}

SCSS

$custom: #505db5;
$custom-light: #898acc;
$custom-dark: #000000;

JSON

{
  "hex": "#505db5",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 181
  },
  "hsl": {
    "h": 232.277,
    "s": 40.562,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51289,
    "c": 0.13847,
    "h": 274.2
  },
  "luminance": 0.1287
}

Semantic roles & 50–950 ramp

primary

#505DB5

secondary

#C7C19A

accent

#C157D0

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505DB5

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

Preview Lab → · Contrast checker → · Palette generator →