#505EB4#505EB4

#505EB4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.136 H 273.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#505EB4
RGB	rgb(80, 94, 180)
HSL	hsl(232, 40%, 51%)
HSV	hsv(232, 56%, 71%)
CMYK	cmyk(55.6%, 47.8%, 0%, 29.4%)
CIE-LAB	lab(42.77, 20.12, -47.49)
CIE-LCH	lch(42.77, 51.58, 292.96°)
OKLab	oklab(51.43% 0.0088 -0.1354)
OKLCH	oklch(51.43% 0.136 273.7)
XYZ	xyz(15.5465, 13.0051, 44.8622)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505EB4 #B4A650

analogous

#5090B4 #505EB4 #7450B4

triadic

#505EB4 #B4505E #5EB450

tetradic

#505EB4 #B45090 #B4A650 #50B474

square

#505EB4 #B45090 #B4A650 #50B474

split-complementary

#505EB4 #B47450 #90B450

monochromatic

#293160 #3C478B #505EB4 #7B85C6 #A6ADD9

Accessibility & contrast

On white

5.83

#505EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#505EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505EB4

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505EB4	#FFFFFF	#000000	##FFFFFF
##505EB4	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3669B7

Deuteranopia (green-blind)

#2961B2

Tritanopia (blue-blind)

#1A7180

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #505eb4;
/* rgb */ color: rgb(80, 94, 180);
/* oklch */ color: oklch(51.4% 0.136 273.7);

Tailwind

colors: {
  custom: {
    50: '#898bcb',
    500: '#505eb4',
    950: '#000000',
  },
}

SCSS

$custom: #505eb4;
$custom-light: #898bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#505eb4",
  "rgb": {
    "r": 80,
    "g": 94,
    "b": 180
  },
  "hsl": {
    "h": 231.6,
    "s": 40,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51425,
    "c": 0.1357,
    "h": 273.7
  },
  "luminance": 0.13006
}

Semantic roles & 50–950 ramp

primary

#505EB4

secondary

#C6C09A

accent

#BF58D0

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #505EB4

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

Preview Lab → · Contrast checker → · Palette generator →