#516ADA#516ADA

#516ADA is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.5% C 0.173 H 270.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#516ADA
RGB	rgb(81, 106, 218)
HSL	hsl(229, 65%, 59%)
HSV	hsv(229, 63%, 85%)
CMYK	cmyk(62.8%, 51.4%, 0%, 14.5%)
CIE-LAB	lab(48.41, 25.60, -60.33)
CIE-LCH	lch(48.41, 65.53, 292.99°)
OKLab	oklab(56.49% 0.0015 -0.173)
OKLCH	oklch(56.49% 0.173 270.5)
XYZ	xyz(21.1980, 17.1175, 68.5030)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ADA #DAC151

analogous

#51AEDA #516ADA #7C51DA

triadic

#516ADA #DA516A #6ADA51

tetradic

#516ADA #DA51AE #DAC151 #51DA7C

square

#516ADA #DA51AE #DAC151 #51DA7C

split-complementary

#516ADA #DA7C51 #AEDA51

monochromatic

#1F3492 #2A46C4 #516ADA #8395E5 #B6C0EF

Accessibility & contrast

On white

4.75

#516ADA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#516ADA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ADA

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ADA	#FFFFFF	#000000	##FFFFFF
##516ADA	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2779DE

Deuteranopia (green-blind)

#006DD8

Tritanopia (blue-blind)

#008498

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516ada;
/* rgb */ color: rgb(81, 106, 218);
/* oklch */ color: oklch(56.5% 0.173 270.5);

Tailwind

colors: {
  custom: {
    50: '#8f94e6',
    500: '#516ada',
    950: '#000000',
  },
}

SCSS

$custom: #516ada;
$custom-light: #8f94e6;
$custom-dark: #000000;

JSON

{
  "hex": "#516ada",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 218
  },
  "hsl": {
    "h": 229.051,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.56485,
    "c": 0.173,
    "h": 270.5
  },
  "luminance": 0.17119
}

Semantic roles & 50–950 ramp

primary

#516ADA

secondary

#DED5A8

accent

#C940E8

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516ADA

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

Preview Lab → · Contrast checker → · Palette generator →