#505BD4#505BD4

#505BD4 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.1% C 0.184 H 274.4°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#505BD4
RGB	rgb(80, 91, 212)
HSL	hsl(235, 61%, 57%)
HSV	hsv(235, 62%, 83%)
CMYK	cmyk(62.3%, 57.1%, 0%, 16.9%)
CIE-LAB	lab(44.15, 32.74, -63.81)
CIE-LCH	lch(44.15, 71.72, 297.16°)
OKLab	oklab(53.14% 0.014 -0.1834)
OKLCH	oklch(53.14% 0.184 274.4)
XYZ	xyz(18.9291, 13.9395, 63.9677)
Luminance	0.1394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BD4 #D4C950

analogous

#509DD4 #505BD4 #8750D4

triadic

#505BD4 #D4505B #5BD450

tetradic

#505BD4 #D4509D #D4C950 #50D487

square

#505BD4 #D4509D #D4C950 #50D487

split-complementary

#505BD4 #D48750 #9DD450

monochromatic

#212A88 #2E39B9 #505BD4 #8189E0 #B2B7EC

Accessibility & contrast

On white

5.54

#505BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#505BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BD4

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BD4	#FFFFFF	#000000	##FFFFFF
##505BD4	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED8

Deuteranopia (green-blind)

#0063D2

Tritanopia (blue-blind)

#00788F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #505bd4;
/* rgb */ color: rgb(80, 91, 212);
/* oklch */ color: oklch(53.1% 0.184 274.4);

Tailwind

colors: {
  custom: {
    50: '#8e89e2',
    500: '#505bd4',
    950: '#000000',
  },
}

SCSS

$custom: #505bd4;
$custom-light: #8e89e2;
$custom-dark: #000000;

JSON

{
  "hex": "#505bd4",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 212
  },
  "hsl": {
    "h": 235,
    "s": 60.55,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53142,
    "c": 0.18395,
    "h": 274.4
  },
  "luminance": 0.13941
}

Semantic roles & 50–950 ramp

primary

#505BD4

secondary

#DBD6A5

accent

#D644E4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505BD4

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

Preview Lab → · Contrast checker → · Palette generator →