#516DA8#516DA8

#516DA8 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.0% C 0.099 H 264.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#516DA8
RGB	rgb(81, 109, 168)
HSL	hsl(221, 35%, 49%)
HSV	hsv(221, 52%, 66%)
CMYK	cmyk(51.8%, 35.1%, 0%, 34.1%)
CIE-LAB	lab(46.33, 7.00, -34.81)
CIE-LCH	lch(46.33, 35.50, 281.37°)
OKLab	oklab(53.96% -0.0102 -0.0981)
OKLCH	oklch(53.96% 0.099 264.1)
XYZ	xyz(15.9275, 15.5127, 39.1931)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DA8 #A88C51

analogous

#5199A8 #516DA8 #6151A8

triadic

#516DA8 #A8516D #6DA851

tetradic

#516DA8 #A85199 #A88C51 #51A861

square

#516DA8 #A85199 #A88C51 #51A861

split-complementary

#516DA8 #A86151 #99A851

monochromatic

#293755 #3D527F #516DA8 #788FBE #A1B1D2

Accessibility & contrast

On white

5.12

#516DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#516DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DA8

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DA8	#FFFFFF	#000000	##FFFFFF
##516DA8	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)

#5672AA

Deuteranopia (green-blind)

#4C6AA7

Tritanopia (blue-blind)

#287A83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516da8;
/* rgb */ color: rgb(81, 109, 168);
/* oklch */ color: oklch(54.0% 0.099 264.1);

Tailwind

colors: {
  custom: {
    50: '#8796c2',
    500: '#516da8',
    950: '#000000',
  },
}

SCSS

$custom: #516da8;
$custom-light: #8796c2;
$custom-dark: #000000;

JSON

{
  "hex": "#516da8",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 168
  },
  "hsl": {
    "h": 220.69,
    "s": 34.94,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53957,
    "c": 0.09866,
    "h": 264.1
  },
  "luminance": 0.15514
}

Semantic roles & 50–950 ramp

primary

#516DA8

secondary

#BFB296

accent

#A85DCB

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516DA8

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

Preview Lab → · Contrast checker → · Palette generator →