#516FC6#516FC6

#516FC6 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.2% C 0.139 H 267.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#516FC6
RGB	rgb(81, 111, 198)
HSL	hsl(225, 51%, 55%)
HSV	hsv(225, 59%, 78%)
CMYK	cmyk(59.1%, 43.9%, 0%, 22.4%)
CIE-LAB	lab(48.50, 15.69, -48.76)
CIE-LCH	lch(48.50, 51.22, 287.83°)
OKLab	oklab(56.16% -0.0061 -0.1389)
OKLCH	oklch(56.16% 0.139 267.5)
XYZ	xyz(19.2674, 17.1939, 55.7185)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FC6 #C6A851

analogous

#51AAC6 #516FC6 #6D51C6

triadic

#516FC6 #C6516F #6FC651

tetradic

#516FC6 #C651AA #C6A851 #51C66D

square

#516FC6 #C651AA #C6A851 #51C66D

split-complementary

#516FC6 #C66D51 #AAC651

monochromatic

#273B76 #3652A4 #516FC6 #7F95D5 #ADBBE4

Accessibility & contrast

On white

4.73

#516FC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#516FC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FC6

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FC6	#FFFFFF	#000000	##FFFFFF
##516FC6	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4879C9

Deuteranopia (green-blind)

#376EC4

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516fc6;
/* rgb */ color: rgb(81, 111, 198);
/* oklch */ color: oklch(56.2% 0.139 267.5);

Tailwind

colors: {
  custom: {
    50: '#8b97d8',
    500: '#516fc6',
    950: '#000000',
  },
}

SCSS

$custom: #516fc6;
$custom-light: #8b97d8;
$custom-dark: #000000;

JSON

{
  "hex": "#516fc6",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 198
  },
  "hsl": {
    "h": 224.615,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56161,
    "c": 0.13905,
    "h": 267.5
  },
  "luminance": 0.17195
}

Semantic roles & 50–950 ramp

primary

#516FC6

secondary

#D2C5A1

accent

#B64EDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516FC6

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

Preview Lab → · Contrast checker → · Palette generator →