#516DB2#516DB2

#516DB2 is a mid, moderate blue. Relative luminance 0.159; OKLCH L 54.5% C 0.113 H 266.1°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#516DB2
RGB	rgb(81, 109, 178)
HSL	hsl(223, 39%, 51%)
HSV	hsv(223, 54%, 70%)
CMYK	cmyk(54.5%, 38.8%, 0%, 30.2%)
CIE-LAB	lab(46.84, 10.26, -39.84)
CIE-LCH	lch(46.84, 41.14, 284.44°)
OKLab	oklab(54.52% -0.0078 -0.1128)
OKLCH	oklch(54.52% 0.113 266.1)
XYZ	xyz(16.8952, 15.8997, 44.2895)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DB2 #B29651

analogous

#519DB2 #516DB2 #6551B2

triadic

#516DB2 #B2516D #6DB251

tetradic

#516DB2 #B2519D #B29651 #51B265

square

#516DB2 #B2519D #B29651 #51B265

split-complementary

#516DB2 #B26551 #9DB251

monochromatic

#2A395F #3D5389 #516DB2 #7B91C5 #A6B4D8

Accessibility & contrast

On white

5.02

#516DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#516DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DB2

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DB2	#FFFFFF	#000000	##FFFFFF
##516DB2	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5174B5

Deuteranopia (green-blind)

#456BB1

Tritanopia (blue-blind)

#1D7C87

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516db2;
/* rgb */ color: rgb(81, 109, 178);
/* oklch */ color: oklch(54.5% 0.113 266.1);

Tailwind

colors: {
  custom: {
    50: '#8896c9',
    500: '#516db2',
    950: '#000000',
  },
}

SCSS

$custom: #516db2;
$custom-light: #8896c9;
$custom-dark: #000000;

JSON

{
  "hex": "#516db2",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 178
  },
  "hsl": {
    "h": 222.68,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54523,
    "c": 0.11307,
    "h": 266.1
  },
  "luminance": 0.15901
}

Semantic roles & 50–950 ramp

primary

#516DB2

secondary

#C5B99A

accent

#AD59CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516DB2

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

Preview Lab → · Contrast checker → · Palette generator →