#505FC9#505FC9

#505FC9 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.164 H 273.4°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#505FC9
RGB	rgb(80, 95, 201)
HSL	hsl(233, 53%, 55%)
HSV	hsv(233, 60%, 79%)
CMYK	cmyk(60.2%, 52.7%, 0%, 21.2%)
CIE-LAB	lab(44.38, 26.54, -57.10)
CIE-LCH	lch(44.38, 62.97, 294.92°)
OKLab	oklab(53.08% 0.0098 -0.1637)
OKLCH	oklch(53.08% 0.164 273.4)
XYZ	xyz(17.9396, 14.1055, 57.0243)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FC9 #C9BA50

analogous

#509BC9 #505FC9 #7E50C9

triadic

#505FC9 #C9505F #5FC950

tetradic

#505FC9 #C9509B #C9BA50 #50C97E

square

#505FC9 #C9509B #C9BA50 #50C97E

split-complementary

#505FC9 #C97E50 #9BC950

monochromatic

#253079 #3442A8 #505FC9 #7F8AD7 #AEB5E6

Accessibility & contrast

On white

5.50

#505FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#505FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FC9

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FC9	#FFFFFF	#000000	##FFFFFF
##505FC9	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6ECD

Deuteranopia (green-blind)

#0064C7

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #505fc9;
/* rgb */ color: rgb(80, 95, 201);
/* oklch */ color: oklch(53.1% 0.164 273.4);

Tailwind

colors: {
  custom: {
    50: '#8c8cda',
    500: '#505fc9',
    950: '#000000',
  },
}

SCSS

$custom: #505fc9;
$custom-light: #8c8cda;
$custom-dark: #000000;

JSON

{
  "hex": "#505fc9",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 201
  },
  "hsl": {
    "h": 232.562,
    "s": 52.838,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53076,
    "c": 0.16395,
    "h": 273.4
  },
  "luminance": 0.14107
}

Semantic roles & 50–950 ramp

primary

#505FC9

secondary

#D4CDA1

accent

#CA4CDC

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #505FC9

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

Preview Lab → · Contrast checker → · Palette generator →