#516DC5#516DC5

#516DC5 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.7% C 0.140 H 268.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#516DC5
RGB	rgb(81, 109, 197)
HSL	hsl(226, 50%, 55%)
HSV	hsv(226, 59%, 77%)
CMYK	cmyk(58.9%, 44.7%, 0%, 22.7%)
CIE-LAB	lab(47.90, 16.59, -49.15)
CIE-LCH	lch(47.90, 51.87, 288.66°)
OKLab	oklab(55.68% -0.0041 -0.1401)
OKLCH	oklch(55.68% 0.14 268.3)
XYZ	xyz(18.9366, 16.7163, 55.0412)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DC5 #C5A951

analogous

#51A7C5 #516DC5 #6F51C5

triadic

#516DC5 #C5516D #6DC551

tetradic

#516DC5 #C551A7 #C5A951 #51C56F

square

#516DC5 #C551A7 #C5A951 #51C56F

split-complementary

#516DC5 #C56F51 #A7C551

monochromatic

#273A75 #3650A3 #516DC5 #7F94D4 #ADBAE4

Accessibility & contrast

On white

4.83

#516DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#516DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DC5

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DC5	#FFFFFF	#000000	##FFFFFF
##516DC5	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4577C8

Deuteranopia (green-blind)

#346DC3

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516dc5;
/* rgb */ color: rgb(81, 109, 197);
/* oklch */ color: oklch(55.7% 0.140 268.3);

Tailwind

colors: {
  custom: {
    50: '#8b96d7',
    500: '#516dc5',
    950: '#000000',
  },
}

SCSS

$custom: #516dc5;
$custom-light: #8b96d7;
$custom-dark: #000000;

JSON

{
  "hex": "#516dc5",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 197
  },
  "hsl": {
    "h": 225.517,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5568,
    "c": 0.14014,
    "h": 268.3
  },
  "luminance": 0.16718
}

Semantic roles & 50–950 ramp

primary

#516DC5

secondary

#D1C6A0

accent

#B84EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516DC5

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

Preview Lab → · Contrast checker → · Palette generator →