#516CC6#516CC6

#516CC6 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.143 H 268.8°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#516CC6
RGB	rgb(81, 108, 198)
HSL	hsl(226, 51%, 55%)
HSV	hsv(226, 59%, 78%)
CMYK	cmyk(59.1%, 45.5%, 0%, 22.4%)
CIE-LAB	lab(47.69, 17.56, -50.06)
CIE-LCH	lch(47.69, 53.05, 289.33°)
OKLab	oklab(55.54% -0.0029 -0.1428)
OKLCH	oklch(55.54% 0.143 268.8)
XYZ	xyz(18.9455, 16.5501, 55.6113)
Luminance	0.1655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CC6 #C6AB51

analogous

#51A6C6 #516CC6 #7151C6

triadic

#516CC6 #C6516C #6CC651

tetradic

#516CC6 #C651A6 #C6AB51 #51C671

square

#516CC6 #C651A6 #C6AB51 #51C671

split-complementary

#516CC6 #C67151 #A6C651

monochromatic

#273976 #364FA4 #516CC6 #7F93D5 #ADBAE4

Accessibility & contrast

On white

4.87

#516CC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#516CC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CC6

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CC6	#FFFFFF	#000000	##FFFFFF
##516CC6	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4277C9

Deuteranopia (green-blind)

#316CC4

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516cc6;
/* rgb */ color: rgb(81, 108, 198);
/* oklch */ color: oklch(55.5% 0.143 268.8);

Tailwind

colors: {
  custom: {
    50: '#8b95d8',
    500: '#516cc6',
    950: '#000000',
  },
}

SCSS

$custom: #516cc6;
$custom-light: #8b95d8;
$custom-dark: #000000;

JSON

{
  "hex": "#516cc6",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 198
  },
  "hsl": {
    "h": 226.154,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55537,
    "c": 0.14281,
    "h": 268.8
  },
  "luminance": 0.16552
}

Semantic roles & 50–950 ramp

primary

#516CC6

secondary

#D2C7A1

accent

#BA4EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516CC6

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

Preview Lab → · Contrast checker → · Palette generator →