#516CC0#516CC0

#516CC0 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.134 H 268.4°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#516CC0
RGB	rgb(81, 108, 192)
HSL	hsl(225, 47%, 54%)
HSV	hsv(225, 58%, 75%)
CMYK	cmyk(57.8%, 43.7%, 0%, 24.7%)
CIE-LAB	lab(47.34, 15.54, -47.17)
CIE-LCH	lch(47.34, 49.66, 288.23°)
OKLab	oklab(55.16% -0.0038 -0.1343)
OKLCH	oklch(55.16% 0.134 268.4)
XYZ	xyz(18.2671, 16.2788, 52.0385)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CC0 #C0A551

analogous

#51A3C0 #516CC0 #6D51C0

triadic

#516CC0 #C0516C #6CC051

tetradic

#516CC0 #C051A3 #C0A551 #51C06D

square

#516CC0 #C051A3 #C0A551 #51C06D

split-complementary

#516CC0 #C06D51 #A3C051

monochromatic

#28396F #38509B #516CC0 #7E92D0 #ABB8E1

Accessibility & contrast

On white

4.93

#516CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#516CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CC0

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CC0	#FFFFFF	#000000	##FFFFFF
##516CC0	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4776C3

Deuteranopia (green-blind)

#386CBE

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516cc0;
/* rgb */ color: rgb(81, 108, 192);
/* oklch */ color: oklch(55.2% 0.134 268.4);

Tailwind

colors: {
  custom: {
    50: '#8b95d3',
    500: '#516cc0',
    950: '#000000',
  },
}

SCSS

$custom: #516cc0;
$custom-light: #8b95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516cc0",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 192
  },
  "hsl": {
    "h": 225.405,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55156,
    "c": 0.13434,
    "h": 268.4
  },
  "luminance": 0.1628
}

Semantic roles & 50–950 ramp

primary

#516CC0

secondary

#CEC39F

accent

#B651D6

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516CC0

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

Preview Lab → · Contrast checker → · Palette generator →