#505FCB#505FCB

#505FCB is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.2% C 0.167 H 273.4°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#505FCB
RGB	rgb(80, 95, 203)
HSL	hsl(233, 54%, 55%)
HSV	hsv(233, 61%, 80%)
CMYK	cmyk(60.6%, 53.2%, 0%, 20.4%)
CIE-LAB	lab(44.52, 27.21, -58.04)
CIE-LCH	lch(44.52, 64.10, 295.12°)
OKLab	oklab(53.22% 0.0099 -0.1664)
OKLCH	oklch(53.22% 0.167 273.4)
XYZ	xyz(18.1764, 14.2002, 58.2714)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FCB #CBBC50

analogous

#509CCB #505FCB #7E50CB

triadic

#505FCB #CB505F #5FCB50

tetradic

#505FCB #CB509C #CBBC50 #50CB7E

square

#505FCB #CB509C #CBBC50 #50CB7E

split-complementary

#505FCB #CB7E50 #9CCB50

monochromatic

#252F7C #3341AB #505FCB #7F8AD9 #AEB5E7

Accessibility & contrast

On white

5.47

#505FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#505FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FCB

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FCB	#FFFFFF	#000000	##FFFFFF
##505FCB	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A6FCF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #505fcb;
/* rgb */ color: rgb(80, 95, 203);
/* oklch */ color: oklch(53.2% 0.167 273.4);

Tailwind

colors: {
  custom: {
    50: '#8c8cdb',
    500: '#505fcb',
    950: '#000000',
  },
}

SCSS

$custom: #505fcb;
$custom-light: #8c8cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#505fcb",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 203
  },
  "hsl": {
    "h": 232.683,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.53221,
    "c": 0.1667,
    "h": 273.4
  },
  "luminance": 0.14202
}

Semantic roles & 50–950 ramp

primary

#505FCB

secondary

#D5CFA2

accent

#CC4ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #505FCB

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

Preview Lab → · Contrast checker → · Palette generator →