#516BA3#516BA3

#516BA3 is a mid, moderate blue. Relative luminance 0.149; OKLCH L 53.2% C 0.094 H 264.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#516BA3
RGB	rgb(81, 107, 163)
HSL	hsl(221, 34%, 48%)
HSV	hsv(221, 50%, 64%)
CMYK	cmyk(50.3%, 34.4%, 0%, 36.1%)
CIE-LAB	lab(45.51, 6.63, -33.16)
CIE-LCH	lch(45.51, 33.82, 281.31°)
OKLab	oklab(53.24% -0.009 -0.0933)
OKLCH	oklch(53.24% 0.094 264.5)
XYZ	xyz(15.2597, 14.9080, 36.7167)
Luminance	0.1491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BA3 #A38951

analogous

#5194A3 #516BA3 #6051A3

triadic

#516BA3 #A3516B #6BA351

tetradic

#516BA3 #A35194 #A38951 #51A360

square

#516BA3 #A35194 #A38951 #51A360

split-complementary

#516BA3 #A36051 #94A351

monochromatic

#283551 #3D507A #516BA3 #768CBB #9FAECF

Accessibility & contrast

On white

5.27

#516BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#516BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BA3

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BA3	#FFFFFF	#000000	##FFFFFF
##516BA3	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5670A5

Deuteranopia (green-blind)

#4D68A2

Tritanopia (blue-blind)

#2D777F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #516ba3;
/* rgb */ color: rgb(81, 107, 163);
/* oklch */ color: oklch(53.2% 0.094 264.5);

Tailwind

colors: {
  custom: {
    50: '#8795be',
    500: '#516ba3',
    950: '#000000',
  },
}

SCSS

$custom: #516ba3;
$custom-light: #8795be;
$custom-dark: #000000;

JSON

{
  "hex": "#516ba3",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 163
  },
  "hsl": {
    "h": 220.976,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53239,
    "c": 0.09378,
    "h": 264.5
  },
  "luminance": 0.14909
}

Semantic roles & 50–950 ramp

primary

#516BA3

secondary

#BCAF93

accent

#A85ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516BA3

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

Preview Lab → · Contrast checker → · Palette generator →