#505FBB#505FBB

#505FBB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.1% C 0.144 H 273.4°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#505FBB
RGB	rgb(80, 95, 187)
HSL	hsl(232, 44%, 52%)
HSV	hsv(232, 57%, 73%)
CMYK	cmyk(57.2%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(43.47, 21.83, -50.46)
CIE-LCH	lch(43.47, 54.98, 293.39°)
OKLab	oklab(52.1% 0.0085 -0.1441)
OKLCH	oklch(52.1% 0.144 273.4)
XYZ	xyz(16.3672, 13.4765, 48.7428)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FBB #BBAC50

analogous

#5094BB #505FBB #7750BB

triadic

#505FBB #BB505F #5FBB50

tetradic

#505FBB #BB5094 #BBAC50 #50BB77

square

#505FBB #BB5094 #BBAC50 #50BB77

split-complementary

#505FBB #BB7750 #94BB50

monochromatic

#283168 #3A4694 #505FBB #7C87CC #A8B0DD

Accessibility & contrast

On white

5.68

#505FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#505FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FBB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FBB	#FFFFFF	#000000	##FFFFFF
##505FBB	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316BBE

Deuteranopia (green-blind)

#2062B9

Tritanopia (blue-blind)

#0A7484

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #505fbb;
/* rgb */ color: rgb(80, 95, 187);
/* oklch */ color: oklch(52.1% 0.144 273.4);

Tailwind

colors: {
  custom: {
    50: '#8a8cd0',
    500: '#505fbb',
    950: '#000000',
  },
}

SCSS

$custom: #505fbb;
$custom-light: #8a8cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#505fbb",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 231.589,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52097,
    "c": 0.14436,
    "h": 273.4
  },
  "luminance": 0.13478
}

Semantic roles & 50–950 ramp

primary

#505FBB

secondary

#CBC49C

accent

#C254D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #505FBB

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

Preview Lab → · Contrast checker → · Palette generator →