#516CA4#516CA4

#516CA4 is a mid, moderate blue. Relative luminance 0.152; OKLCH L 53.5% C 0.094 H 263.9°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#516CA4
RGB	rgb(81, 108, 164)
HSL	hsl(220, 34%, 48%)
HSV	hsv(220, 51%, 64%)
CMYK	cmyk(50.6%, 34.1%, 0%, 35.7%)
CIE-LAB	lab(45.84, 6.33, -33.22)
CIE-LCH	lch(45.84, 33.82, 280.80°)
OKLab	oklab(53.52% -0.01 -0.0935)
OKLCH	oklch(53.52% 0.094 263.9)
XYZ	xyz(15.4545, 15.1537, 37.2254)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CA4 #A48951

analogous

#5195A4 #516CA4 #5F51A4

triadic

#516CA4 #A4516C #6CA451

tetradic

#516CA4 #A45195 #A48951 #51A45F

square

#516CA4 #A45195 #A48951 #51A45F

split-complementary

#516CA4 #A45F51 #95A451

monochromatic

#293652 #3D517B #516CA4 #778DBC #A0AFD0

Accessibility & contrast

On white

5.21

#516CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#516CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CA4

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CA4	#FFFFFF	#000000	##FFFFFF
##516CA4	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5771A6

Deuteranopia (green-blind)

#4D69A3

Tritanopia (blue-blind)

#2C7880

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516ca4;
/* rgb */ color: rgb(81, 108, 164);
/* oklch */ color: oklch(53.5% 0.094 263.9);

Tailwind

colors: {
  custom: {
    50: '#8795bf',
    500: '#516ca4',
    950: '#000000',
  },
}

SCSS

$custom: #516ca4;
$custom-light: #8795bf;
$custom-dark: #000000;

JSON

{
  "hex": "#516ca4",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 164
  },
  "hsl": {
    "h": 220.482,
    "s": 33.878,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53516,
    "c": 0.09405,
    "h": 263.9
  },
  "luminance": 0.15155
}

Semantic roles & 50–950 ramp

primary

#516CA4

secondary

#BDB094

accent

#A75ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516CA4

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

Preview Lab → · Contrast checker → · Palette generator →