#516BA5#516BA5

#516BA5 is a mid, moderate blue. Relative luminance 0.150; OKLCH L 53.3% C 0.097 H 265.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#516BA5
RGB	rgb(81, 107, 165)
HSL	hsl(221, 34%, 48%)
HSV	hsv(221, 51%, 65%)
CMYK	cmyk(50.9%, 35.2%, 0%, 35.3%)
CIE-LAB	lab(45.61, 7.27, -34.18)
CIE-LCH	lch(45.61, 34.95, 282.01°)
OKLab	oklab(53.35% -0.0085 -0.0963)
OKLCH	oklch(53.35% 0.097 265)
XYZ	xyz(15.4403, 14.9803, 37.6679)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BA5 #A58B51

analogous

#5195A5 #516BA5 #6151A5

triadic

#516BA5 #A5516B #6BA551

tetradic

#516BA5 #A55195 #A58B51 #51A561

square

#516BA5 #A55195 #A58B51 #51A561

split-complementary

#516BA5 #A56151 #95A551

monochromatic

#293653 #3D507C #516BA5 #778CBC #A0AFD0

Accessibility & contrast

On white

5.25

#516BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#516BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BA5

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BA5	#FFFFFF	#000000	##FFFFFF
##516BA5	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5570A7

Deuteranopia (green-blind)

#4B68A4

Tritanopia (blue-blind)

#2C7780

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #516ba5;
/* rgb */ color: rgb(81, 107, 165);
/* oklch */ color: oklch(53.3% 0.097 265.0);

Tailwind

colors: {
  custom: {
    50: '#8795c0',
    500: '#516ba5',
    950: '#000000',
  },
}

SCSS

$custom: #516ba5;
$custom-light: #8795c0;
$custom-dark: #000000;

JSON

{
  "hex": "#516ba5",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 165
  },
  "hsl": {
    "h": 221.429,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53348,
    "c": 0.09669,
    "h": 265
  },
  "luminance": 0.14981
}

Semantic roles & 50–950 ramp

primary

#516BA5

secondary

#BDB194

accent

#A95ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516BA5

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

Preview Lab → · Contrast checker → · Palette generator →