#516DC6#516DC6

#516DC6 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.142 H 268.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#516DC6
RGB	rgb(81, 109, 198)
HSL	hsl(226, 51%, 55%)
HSV	hsv(226, 59%, 78%)
CMYK	cmyk(59.1%, 44.9%, 0%, 22.4%)
CIE-LAB	lab(47.96, 16.93, -49.63)
CIE-LCH	lch(47.96, 52.44, 288.84°)
OKLab	oklab(55.74% -0.0039 -0.1415)
OKLCH	oklch(55.74% 0.142 268.4)
XYZ	xyz(19.0516, 16.7623, 55.6466)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DC6 #C6AA51

analogous

#51A8C6 #516DC6 #7051C6

triadic

#516DC6 #C6516D #6DC651

tetradic

#516DC6 #C651A8 #C6AA51 #51C670

square

#516DC6 #C651A8 #C6AA51 #51C670

split-complementary

#516DC6 #C67051 #A8C651

monochromatic

#273A76 #3650A4 #516DC6 #7F94D5 #ADBAE4

Accessibility & contrast

On white

4.82

#516DC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#516DC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DC6

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DC6	#FFFFFF	#000000	##FFFFFF
##516DC6	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4477C9

Deuteranopia (green-blind)

#336DC4

Tritanopia (blue-blind)

#008190

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516dc6;
/* rgb */ color: rgb(81, 109, 198);
/* oklch */ color: oklch(55.7% 0.142 268.4);

Tailwind

colors: {
  custom: {
    50: '#8b96d8',
    500: '#516dc6',
    950: '#000000',
  },
}

SCSS

$custom: #516dc6;
$custom-light: #8b96d8;
$custom-dark: #000000;

JSON

{
  "hex": "#516dc6",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 198
  },
  "hsl": {
    "h": 225.641,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55744,
    "c": 0.14155,
    "h": 268.4
  },
  "luminance": 0.16764
}

Semantic roles & 50–950 ramp

primary

#516DC6

secondary

#D2C6A1

accent

#B94EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516DC6

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

Preview Lab → · Contrast checker → · Palette generator →