#516CDA#516CDA

#516CDA is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.9% C 0.171 H 269.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#516CDA
RGB	rgb(81, 108, 218)
HSL	hsl(228, 65%, 59%)
HSV	hsv(228, 63%, 85%)
CMYK	cmyk(62.8%, 50.5%, 0%, 14.5%)
CIE-LAB	lab(48.93, 24.35, -59.49)
CIE-LCH	lch(48.93, 64.28, 292.26°)
OKLab	oklab(56.88% -0.0004 -0.1705)
OKLCH	oklch(56.88% 0.171 269.9)
XYZ	xyz(21.4065, 17.5345, 68.5725)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CDA #DABF51

analogous

#51B0DA #516CDA #7A51DA

triadic

#516CDA #DA516C #6CDA51

tetradic

#516CDA #DA51B0 #DABF51 #51DA7A

square

#516CDA #DA51B0 #DABF51 #51DA7A

split-complementary

#516CDA #DA7A51 #B0DA51

monochromatic

#1F3692 #2A48C4 #516CDA #8397E5 #B6C1EF

Accessibility & contrast

On white

4.66

#516CDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#516CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516CDA

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CDA	#FFFFFF	#000000	##FFFFFF
##516CDA	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7BDE

Deuteranopia (green-blind)

#006ED8

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516cda;
/* rgb */ color: rgb(81, 108, 218);
/* oklch */ color: oklch(56.9% 0.171 269.9);

Tailwind

colors: {
  custom: {
    50: '#8f95e6',
    500: '#516cda',
    950: '#000000',
  },
}

SCSS

$custom: #516cda;
$custom-light: #8f95e6;
$custom-dark: #000000;

JSON

{
  "hex": "#516cda",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 218
  },
  "hsl": {
    "h": 228.175,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.56877,
    "c": 0.17051,
    "h": 269.9
  },
  "luminance": 0.17536
}

Semantic roles & 50–950 ramp

primary

#516CDA

secondary

#DED4A8

accent

#C740E8

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516CDA

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

Preview Lab → · Contrast checker → · Palette generator →