#516DC0#516DC0

#516DC0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.4% C 0.133 H 267.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#516DC0
RGB	rgb(81, 109, 192)
HSL	hsl(225, 47%, 54%)
HSV	hsv(225, 58%, 75%)
CMYK	cmyk(57.8%, 43.2%, 0%, 24.7%)
CIE-LAB	lab(47.61, 14.91, -46.73)
CIE-LCH	lch(47.61, 49.05, 287.70°)
OKLab	oklab(55.37% -0.005 -0.133)
OKLCH	oklch(55.37% 0.133 267.9)
XYZ	xyz(18.3732, 16.4909, 52.0738)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DC0 #C0A451

analogous

#51A4C0 #516DC0 #6C51C0

triadic

#516DC0 #C0516D #6DC051

tetradic

#516DC0 #C051A4 #C0A451 #51C06C

square

#516DC0 #C051A4 #C0A451 #51C06C

split-complementary

#516DC0 #C06C51 #A4C051

monochromatic

#283A6F #38519B #516DC0 #7E93D0 #ABB8E1

Accessibility & contrast

On white

4.89

#516DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#516DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DC0

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DC0	#FFFFFF	#000000	##FFFFFF
##516DC0	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4876C3

Deuteranopia (green-blind)

#3A6CBE

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516dc0;
/* rgb */ color: rgb(81, 109, 192);
/* oklch */ color: oklch(55.4% 0.133 267.9);

Tailwind

colors: {
  custom: {
    50: '#8a96d3',
    500: '#516dc0',
    950: '#000000',
  },
}

SCSS

$custom: #516dc0;
$custom-light: #8a96d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516dc0",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 192
  },
  "hsl": {
    "h": 224.865,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55366,
    "c": 0.13307,
    "h": 267.9
  },
  "luminance": 0.16492
}

Semantic roles & 50–950 ramp

primary

#516DC0

secondary

#CEC29F

accent

#B551D6

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516DC0

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

Preview Lab → · Contrast checker → · Palette generator →