#516BC0#516BC0

#516BC0 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.9% C 0.136 H 268.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#516BC0
RGB	rgb(81, 107, 192)
HSL	hsl(226, 47%, 54%)
HSV	hsv(226, 58%, 75%)
CMYK	cmyk(57.8%, 44.3%, 0%, 24.7%)
CIE-LAB	lab(47.06, 16.16, -47.60)
CIE-LCH	lch(47.06, 50.27, 288.75°)
OKLab	oklab(54.95% -0.0028 -0.1356)
OKLCH	oklch(54.95% 0.136 268.8)
XYZ	xyz(18.1623, 16.0691, 52.0035)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BC0 #C0A651

analogous

#51A2C0 #516BC0 #6E51C0

triadic

#516BC0 #C0516B #6BC051

tetradic

#516BC0 #C051A2 #C0A651 #51C06E

square

#516BC0 #C051A2 #C0A651 #51C06E

split-complementary

#516BC0 #C06E51 #A2C051

monochromatic

#28396F #38509B #516BC0 #7E91D0 #ABB7E1

Accessibility & contrast

On white

4.98

#516BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#516BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BC0

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BC0	#FFFFFF	#000000	##FFFFFF
##516BC0	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4575C3

Deuteranopia (green-blind)

#366BBE

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516bc0;
/* rgb */ color: rgb(81, 107, 192);
/* oklch */ color: oklch(54.9% 0.136 268.8);

Tailwind

colors: {
  custom: {
    50: '#8b95d3',
    500: '#516bc0',
    950: '#000000',
  },
}

SCSS

$custom: #516bc0;
$custom-light: #8b95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516bc0",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 192
  },
  "hsl": {
    "h": 225.946,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.1356,
    "h": 268.8
  },
  "luminance": 0.1607
}

Semantic roles & 50–950 ramp

primary

#516BC0

secondary

#CEC39F

accent

#B751D6

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516BC0

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

Preview Lab → · Contrast checker → · Palette generator →