#516AC4#516AC4

#516AC4 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.0% C 0.143 H 269.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#516AC4
RGB	rgb(81, 106, 196)
HSL	hsl(227, 49%, 54%)
HSV	hsv(227, 59%, 77%)
CMYK	cmyk(58.7%, 45.9%, 0%, 23.1%)
CIE-LAB	lab(47.03, 18.13, -49.97)
CIE-LCH	lch(47.03, 53.15, 289.94°)
OKLab	oklab(55% -0.001 -0.1425)
OKLCH	oklch(55% 0.143 269.6)
XYZ	xyz(18.5078, 16.0415, 54.3349)
Luminance	0.1604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516AC4 #C4AB51

analogous

#51A3C4 #516AC4 #7251C4

triadic

#516AC4 #C4516A #6AC451

tetradic

#516AC4 #C451A3 #C4AB51 #51C472

square

#516AC4 #C451A3 #C4AB51 #51C472

split-complementary

#516AC4 #C47251 #A3C451

monochromatic

#273873 #374EA1 #516AC4 #7F91D3 #ACB8E3

Accessibility & contrast

On white

4.99

#516AC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#516AC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516AC4

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516AC4	#FFFFFF	#000000	##FFFFFF
##516AC4	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4075C7

Deuteranopia (green-blind)

#2F6BC2

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516ac4;
/* rgb */ color: rgb(81, 106, 196);
/* oklch */ color: oklch(55.0% 0.143 269.6);

Tailwind

colors: {
  custom: {
    50: '#8b94d6',
    500: '#516ac4',
    950: '#000000',
  },
}

SCSS

$custom: #516ac4;
$custom-light: #8b94d6;
$custom-dark: #000000;

JSON

{
  "hex": "#516ac4",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 196
  },
  "hsl": {
    "h": 226.957,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.54995,
    "c": 0.14252,
    "h": 269.6
  },
  "luminance": 0.16043
}

Semantic roles & 50–950 ramp

primary

#516AC4

secondary

#D1C6A0

accent

#BB4FD9

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516AC4

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

Preview Lab → · Contrast checker → · Palette generator →