#516CA6#516CA6

#516CA6 is a mid, moderate blue. Relative luminance 0.152; OKLCH L 53.6% C 0.097 H 264.4°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#516CA6
RGB	rgb(81, 108, 166)
HSL	hsl(221, 34%, 48%)
HSV	hsv(221, 51%, 65%)
CMYK	cmyk(51.2%, 34.9%, 0%, 34.9%)
CIE-LAB	lab(45.94, 6.98, -34.24)
CIE-LCH	lch(45.94, 34.94, 281.51°)
OKLab	oklab(53.63% -0.0095 -0.0965)
OKLCH	oklch(53.63% 0.097 264.4)
XYZ	xyz(15.6366, 15.2266, 38.1841)
Luminance	0.1523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CA6 #A68B51

analogous

#5196A6 #516CA6 #6051A6

triadic

#516CA6 #A6516C #6CA651

tetradic

#516CA6 #A65196 #A68B51 #51A660

square

#516CA6 #A65196 #A68B51 #51A660

split-complementary

#516CA6 #A66051 #96A651

monochromatic

#293654 #3D517D #516CA6 #778DBD #A1B0D1

Accessibility & contrast

On white

5.19

#516CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#516CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CA6

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CA6	#FFFFFF	#000000	##FFFFFF
##516CA6	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5671A8

Deuteranopia (green-blind)

#4C69A5

Tritanopia (blue-blind)

#2A7881

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516ca6;
/* rgb */ color: rgb(81, 108, 166);
/* oklch */ color: oklch(53.6% 0.097 264.4);

Tailwind

colors: {
  custom: {
    50: '#8795c0',
    500: '#516ca6',
    950: '#000000',
  },
}

SCSS

$custom: #516ca6;
$custom-light: #8795c0;
$custom-dark: #000000;

JSON

{
  "hex": "#516ca6",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 166
  },
  "hsl": {
    "h": 220.941,
    "s": 34.413,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53625,
    "c": 0.09695,
    "h": 264.4
  },
  "luminance": 0.15228
}

Semantic roles & 50–950 ramp

primary

#516CA6

secondary

#BEB195

accent

#A85DCA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516CA6

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

Preview Lab → · Contrast checker → · Palette generator →