#516EC0#516EC0

#516EC0 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.6% C 0.132 H 267.4°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#516EC0
RGB	rgb(81, 110, 192)
HSL	hsl(224, 47%, 54%)
HSV	hsv(224, 58%, 75%)
CMYK	cmyk(57.8%, 42.7%, 0%, 24.7%)
CIE-LAB	lab(47.89, 14.29, -46.29)
CIE-LCH	lch(47.89, 48.45, 287.16°)
OKLab	oklab(55.58% -0.006 -0.1317)
OKLCH	oklch(55.58% 0.132 267.4)
XYZ	xyz(18.4805, 16.7055, 52.1096)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EC0 #C0A351

analogous

#51A5C0 #516EC0 #6B51C0

triadic

#516EC0 #C0516E #6EC051

tetradic

#516EC0 #C051A5 #C0A351 #51C06B

square

#516EC0 #C051A5 #C0A351 #51C06B

split-complementary

#516EC0 #C06B51 #A5C051

monochromatic

#283A6F #38529B #516EC0 #7E93D0 #ABB9E1

Accessibility & contrast

On white

4.84

#516EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#516EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EC0

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EC0	#FFFFFF	#000000	##FFFFFF
##516EC0	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A77C3

Deuteranopia (green-blind)

#3B6DBE

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ec0;
/* rgb */ color: rgb(81, 110, 192);
/* oklch */ color: oklch(55.6% 0.132 267.4);

Tailwind

colors: {
  custom: {
    50: '#8a97d3',
    500: '#516ec0',
    950: '#000000',
  },
}

SCSS

$custom: #516ec0;
$custom-light: #8a97d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516ec0",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 192
  },
  "hsl": {
    "h": 224.324,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55577,
    "c": 0.13183,
    "h": 267.4
  },
  "luminance": 0.16707
}

Semantic roles & 50–950 ramp

primary

#516EC0

secondary

#CEC29F

accent

#B451D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516EC0

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

Preview Lab → · Contrast checker → · Palette generator →