#516BC3#516BC3

#516BC3 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.140 H 269.1°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#516BC3
RGB	rgb(81, 107, 195)
HSL	hsl(226, 49%, 54%)
HSV	hsv(226, 58%, 76%)
CMYK	cmyk(58.5%, 45.1%, 0%, 23.5%)
CIE-LAB	lab(47.24, 17.17, -49.05)
CIE-LCH	lch(47.24, 51.97, 289.29°)
OKLab	oklab(55.14% -0.0023 -0.1398)
OKLCH	oklch(55.14% 0.14 269.1)
XYZ	xyz(18.4981, 16.2034, 53.7720)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BC3 #C3A951

analogous

#51A4C3 #516BC3 #7051C3

triadic

#516BC3 #C3516B #6BC351

tetradic

#516BC3 #C351A4 #C3A951 #51C370

square

#516BC3 #C351A4 #C3A951 #51C370

split-complementary

#516BC3 #C37051 #A4C351

monochromatic

#273872 #374FA0 #516BC3 #7F92D3 #ACB8E2

Accessibility & contrast

On white

4.95

#516BC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#516BC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BC3

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BC3	#FFFFFF	#000000	##FFFFFF
##516BC3	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4375C6

Deuteranopia (green-blind)

#326BC1

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516bc3;
/* rgb */ color: rgb(81, 107, 195);
/* oklch */ color: oklch(55.1% 0.140 269.1);

Tailwind

colors: {
  custom: {
    50: '#8b95d6',
    500: '#516bc3',
    950: '#000000',
  },
}

SCSS

$custom: #516bc3;
$custom-light: #8b95d6;
$custom-dark: #000000;

JSON

{
  "hex": "#516bc3",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 195
  },
  "hsl": {
    "h": 226.316,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55137,
    "c": 0.13985,
    "h": 269.1
  },
  "luminance": 0.16205
}

Semantic roles & 50–950 ramp

primary

#516BC3

secondary

#D0C5A0

accent

#B950D8

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516BC3

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

Preview Lab → · Contrast checker → · Palette generator →