#505FB5#505FB5

#505FB5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.136 H 273.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#505FB5
RGB	rgb(80, 95, 181)
HSL	hsl(231, 41%, 51%)
HSV	hsv(231, 56%, 71%)
CMYK	cmyk(55.8%, 47.5%, 0%, 29%)
CIE-LAB	lab(43.10, 19.82, -47.55)
CIE-LCH	lch(43.10, 51.52, 292.63°)
OKLab	oklab(51.7% 0.0078 -0.1356)
OKLCH	oklch(51.7% 0.136 273.3)
XYZ	xyz(15.7383, 13.2250, 45.4304)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FB5 #B5A650

analogous

#5091B5 #505FB5 #7350B5

triadic

#505FB5 #B5505F #5FB550

tetradic

#505FB5 #B55091 #B5A650 #50B573

square

#505FB5 #B55091 #B5A650 #50B573

split-complementary

#505FB5 #B57350 #91B550

monochromatic

#293261 #3B478C #505FB5 #7B86C7 #A6AED9

Accessibility & contrast

On white

5.76

#505FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#505FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FB5

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FB5	#FFFFFF	#000000	##FFFFFF
##505FB5	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376AB8

Deuteranopia (green-blind)

#2962B3

Tritanopia (blue-blind)

#187281

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505fb5;
/* rgb */ color: rgb(80, 95, 181);
/* oklch */ color: oklch(51.7% 0.136 273.3);

Tailwind

colors: {
  custom: {
    50: '#898ccc',
    500: '#505fb5',
    950: '#000000',
  },
}

SCSS

$custom: #505fb5;
$custom-light: #898ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#505fb5",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 231.089,
    "s": 40.562,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51695,
    "c": 0.13579,
    "h": 273.3
  },
  "luminance": 0.13226
}

Semantic roles & 50–950 ramp

primary

#505FB5

secondary

#C7C09A

accent

#BE57D0

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #505FB5

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

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