#516BB3#516BB3

#516BB3 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.1% C 0.117 H 267.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#516BB3
RGB	rgb(81, 107, 179)
HSL	hsl(224, 39%, 51%)
HSV	hsv(224, 55%, 70%)
CMYK	cmyk(54.7%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(46.34, 11.83, -41.22)
CIE-LCH	lch(46.34, 42.89, 286.01°)
OKLab	oklab(54.15% -0.0052 -0.1169)
OKLCH	oklch(54.15% 0.117 267.4)
XYZ	xyz(16.7850, 15.5182, 44.7499)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BB3 #B39951

analogous

#519CB3 #516BB3 #6851B3

triadic

#516BB3 #B3516B #6BB351

tetradic

#516BB3 #B3519C #B39951 #51B368

square

#516BB3 #B3519C #B39951 #51B368

split-complementary

#516BB3 #B36851 #9CB351

monochromatic

#2A3860 #3C518A #516BB3 #7C8FC6 #A6B3D8

Accessibility & contrast

On white

5.12

#516BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#516BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BB3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BB3	#FFFFFF	#000000	##FFFFFF
##516BB3	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B6

Deuteranopia (green-blind)

#426AB1

Tritanopia (blue-blind)

#1C7B86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516bb3;
/* rgb */ color: rgb(81, 107, 179);
/* oklch */ color: oklch(54.1% 0.117 267.4);

Tailwind

colors: {
  custom: {
    50: '#8995ca',
    500: '#516bb3',
    950: '#000000',
  },
}

SCSS

$custom: #516bb3;
$custom-light: #8995ca;
$custom-dark: #000000;

JSON

{
  "hex": "#516bb3",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 224.082,
    "s": 39.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5415,
    "c": 0.11699,
    "h": 267.4
  },
  "luminance": 0.15519
}

Semantic roles & 50–950 ramp

primary

#516BB3

secondary

#C6BA9A

accent

#B059CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516BB3

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

Preview Lab → · Contrast checker → · Palette generator →