#505EB0#505EB0

#505EB0 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.130 H 273.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#505EB0
RGB	rgb(80, 94, 176)
HSL	hsl(231, 38%, 50%)
HSV	hsv(231, 55%, 69%)
CMYK	cmyk(54.5%, 46.6%, 0%, 31%)
CIE-LAB	lab(42.53, 18.79, -45.54)
CIE-LCH	lch(42.53, 49.26, 292.43°)
OKLab	oklab(51.16% 0.0083 -0.1297)
OKLCH	oklch(51.16% 0.13 273.6)
XYZ	xyz(15.1449, 12.8444, 42.7470)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505EB0 #B0A250

analogous

#508EB0 #505EB0 #7250B0

triadic

#505EB0 #B0505E #5EB050

tetradic

#505EB0 #B0508E #B0A250 #50B072

square

#505EB0 #B0508E #B0A250 #50B072

split-complementary

#505EB0 #B07250 #8EB050

monochromatic

#2A315C #3D4786 #505EB0 #7A85C3 #A4ACD6

Accessibility & contrast

On white

5.88

#505EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#505EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505EB0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505EB0	#FFFFFF	#000000	##FFFFFF
##505EB0	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)

#3969B3

Deuteranopia (green-blind)

#2E61AE

Tritanopia (blue-blind)

#20707E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #505eb0;
/* rgb */ color: rgb(80, 94, 176);
/* oklch */ color: oklch(51.2% 0.130 273.6);

Tailwind

colors: {
  custom: {
    50: '#888bc8',
    500: '#505eb0',
    950: '#000000',
  },
}

SCSS

$custom: #505eb0;
$custom-light: #888bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#505eb0",
  "rgb": {
    "r": 80,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 231.25,
    "s": 37.795,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51162,
    "c": 0.12992,
    "h": 273.6
  },
  "luminance": 0.12845
}

Semantic roles & 50–950 ramp

primary

#505EB0

secondary

#C3BD98

accent

#BD5ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #505EB0

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

Preview Lab → · Contrast checker → · Palette generator →