#516CBF#516CBF

#516CBF is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.133 H 268.3°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#516CBF
RGB	rgb(81, 108, 191)
HSL	hsl(225, 46%, 53%)
HSV	hsv(225, 58%, 75%)
CMYK	cmyk(57.6%, 43.5%, 0%, 25.1%)
CIE-LAB	lab(47.28, 15.20, -46.68)
CIE-LCH	lch(47.28, 49.09, 288.04°)
OKLab	oklab(55.09% -0.004 -0.1328)
OKLCH	oklch(55.09% 0.133 268.3)
XYZ	xyz(18.1567, 16.2346, 51.4569)
Luminance	0.1624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CBF #BFA451

analogous

#51A3BF #516CBF #6D51BF

triadic

#516CBF #BF516C #6CBF51

tetradic

#516CBF #BF51A3 #BFA451 #51BF6D

square

#516CBF #BF51A3 #BFA451 #51BF6D

split-complementary

#516CBF #BF6D51 #A3BF51

monochromatic

#28396D #39519A #516CBF #7E92CF #AAB8E0

Accessibility & contrast

On white

4.94

#516CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#516CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CBF

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CBF	#FFFFFF	#000000	##FFFFFF
##516CBF	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4775C2

Deuteranopia (green-blind)

#396CBD

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516cbf;
/* rgb */ color: rgb(81, 108, 191);
/* oklch */ color: oklch(55.1% 0.133 268.3);

Tailwind

colors: {
  custom: {
    50: '#8a95d3',
    500: '#516cbf',
    950: '#000000',
  },
}

SCSS

$custom: #516cbf;
$custom-light: #8a95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516cbf",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 191
  },
  "hsl": {
    "h": 225.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55093,
    "c": 0.13291,
    "h": 268.3
  },
  "luminance": 0.16236
}

Semantic roles & 50–950 ramp

primary

#516CBF

secondary

#CEC29E

accent

#B552D6

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516CBF

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

Preview Lab → · Contrast checker → · Palette generator →