#516EC7#516EC7

#516EC7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.0% C 0.142 H 268.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#516EC7
RGB	rgb(81, 110, 199)
HSL	hsl(225, 51%, 55%)
HSV	hsv(225, 59%, 78%)
CMYK	cmyk(59.3%, 44.7%, 0%, 22%)
CIE-LAB	lab(48.29, 16.65, -49.68)
CIE-LCH	lch(48.29, 52.39, 288.53°)
OKLab	oklab(56.02% -0.0048 -0.1416)
OKLCH	oklch(56.02% 0.142 268)
XYZ	xyz(19.2746, 17.0231, 56.2918)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EC7 #C7AA51

analogous

#51A9C7 #516EC7 #6F51C7

triadic

#516EC7 #C7516E #6EC751

tetradic

#516EC7 #C751A9 #C7AA51 #51C76F

square

#516EC7 #C751A9 #C7AA51 #51C76F

split-complementary

#516EC7 #C76F51 #A9C751

monochromatic

#263A77 #3551A6 #516EC7 #7F95D6 #AEBBE5

Accessibility & contrast

On white

4.77

#516EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#516EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EC7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EC7	#FFFFFF	#000000	##FFFFFF
##516EC7	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4578CA

Deuteranopia (green-blind)

#346EC5

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516ec7;
/* rgb */ color: rgb(81, 110, 199);
/* oklch */ color: oklch(56.0% 0.142 268.0);

Tailwind

colors: {
  custom: {
    50: '#8c97d8',
    500: '#516ec7',
    950: '#000000',
  },
}

SCSS

$custom: #516ec7;
$custom-light: #8c97d8;
$custom-dark: #000000;

JSON

{
  "hex": "#516ec7",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 199
  },
  "hsl": {
    "h": 225.254,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56016,
    "c": 0.1417,
    "h": 268
  },
  "luminance": 0.17025
}

Semantic roles & 50–950 ramp

primary

#516EC7

secondary

#D3C7A1

accent

#B84DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516EC7

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

Preview Lab → · Contrast checker → · Palette generator →