#516BB2#516BB2

#516BB2 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.1% C 0.116 H 267.3°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#516BB2
RGB	rgb(81, 107, 178)
HSL	hsl(224, 39%, 51%)
HSV	hsv(224, 54%, 70%)
CMYK	cmyk(54.5%, 39.9%, 0%, 30.2%)
CIE-LAB	lab(46.28, 11.50, -40.73)
CIE-LCH	lch(46.28, 42.32, 285.77°)
OKLab	oklab(54.09% -0.0054 -0.1154)
OKLCH	oklch(54.09% 0.116 267.3)
XYZ	xyz(16.6842, 15.4779, 44.2192)
Luminance	0.1548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BB2 #B29851

analogous

#519BB2 #516BB2 #6851B2

triadic

#516BB2 #B2516B #6BB251

tetradic

#516BB2 #B2519B #B29851 #51B268

square

#516BB2 #B2519B #B29851 #51B268

split-complementary

#516BB2 #B26851 #9BB251

monochromatic

#2A385F #3D5189 #516BB2 #7B8FC5 #A6B3D8

Accessibility & contrast

On white

5.13

#516BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#516BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BB2

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BB2	#FFFFFF	#000000	##FFFFFF
##516BB2	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B5

Deuteranopia (green-blind)

#426AB0

Tritanopia (blue-blind)

#1D7A86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516bb2;
/* rgb */ color: rgb(81, 107, 178);
/* oklch */ color: oklch(54.1% 0.116 267.3);

Tailwind

colors: {
  custom: {
    50: '#8995c9',
    500: '#516bb2',
    950: '#000000',
  },
}

SCSS

$custom: #516bb2;
$custom-light: #8995c9;
$custom-dark: #000000;

JSON

{
  "hex": "#516bb2",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 178
  },
  "hsl": {
    "h": 223.918,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5409,
    "c": 0.11555,
    "h": 267.3
  },
  "luminance": 0.15479
}

Semantic roles & 50–950 ramp

primary

#516BB2

secondary

#C5B99A

accent

#AF59CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516BB2

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

Preview Lab → · Contrast checker → · Palette generator →