#505AD1#505AD1

#505AD1 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.181 H 274.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#505AD1
RGB	rgb(80, 90, 209)
HSL	hsl(235, 58%, 57%)
HSV	hsv(235, 62%, 82%)
CMYK	cmyk(61.7%, 56.9%, 0%, 18%)
CIE-LAB	lab(43.68, 32.35, -62.84)
CIE-LCH	lch(43.68, 70.68, 297.24°)
OKLab	oklab(52.73% 0.0149 -0.1806)
OKLCH	oklch(52.73% 0.181 274.7)
XYZ	xyz(18.4693, 13.6198, 61.9648)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505AD1 #D1C750

analogous

#509BD1 #505AD1 #8750D1

triadic

#505AD1 #D1505A #5AD150

tetradic

#505AD1 #D1509B #D1C750 #50D187

square

#505AD1 #D1509B #D1C750 #50D187

split-complementary

#505AD1 #D18750 #9BD150

monochromatic

#232A84 #2F3AB4 #505AD1 #8088DE #B1B5EA

Accessibility & contrast

On white

5.64

#505AD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#505AD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505AD1

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505AD1	#FFFFFF	#000000	##FFFFFF
##505AD1	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#0062CF

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #505ad1;
/* rgb */ color: rgb(80, 90, 209);
/* oklch */ color: oklch(52.7% 0.181 274.7);

Tailwind

colors: {
  custom: {
    50: '#8e88e0',
    500: '#505ad1',
    950: '#000000',
  },
}

SCSS

$custom: #505ad1;
$custom-light: #8e88e0;
$custom-dark: #000000;

JSON

{
  "hex": "#505ad1",
  "rgb": {
    "r": 80,
    "g": 90,
    "b": 209
  },
  "hsl": {
    "h": 235.349,
    "s": 58.371,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52729,
    "c": 0.1812,
    "h": 274.7
  },
  "luminance": 0.13621
}

Semantic roles & 50–950 ramp

primary

#505AD1

secondary

#D9D5A4

accent

#D646E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505AD1

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

Preview Lab → · Contrast checker → · Palette generator →