#516BB0#516BB0

#516BB0 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 54.0% C 0.113 H 267.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#516BB0
RGB	rgb(81, 107, 176)
HSL	hsl(224, 38%, 50%)
HSV	hsv(224, 54%, 69%)
CMYK	cmyk(54%, 39.2%, 0%, 31%)
CIE-LAB	lab(46.17, 10.84, -39.73)
CIE-LCH	lch(46.17, 41.18, 285.27°)
OKLab	oklab(53.97% -0.0058 -0.1125)
OKLCH	oklch(53.97% 0.113 267)
XYZ	xyz(16.4849, 15.3981, 43.1693)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BB0 #B09651

analogous

#519AB0 #516BB0 #6651B0

triadic

#516BB0 #B0516B #6BB051

tetradic

#516BB0 #B0519A #B09651 #51B066

square

#516BB0 #B0519A #B09651 #51B066

split-complementary

#516BB0 #B06651 #9AB051

monochromatic

#2A385D #3D5187 #516BB0 #7B8FC3 #A5B3D6

Accessibility & contrast

On white

5.15

#516BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#516BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BB0

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BB0	#FFFFFF	#000000	##FFFFFF
##516BB0	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F72B3

Deuteranopia (green-blind)

#4469AF

Tritanopia (blue-blind)

#207A85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516bb0;
/* rgb */ color: rgb(81, 107, 176);
/* oklch */ color: oklch(54.0% 0.113 267.0);

Tailwind

colors: {
  custom: {
    50: '#8895c8',
    500: '#516bb0',
    950: '#000000',
  },
}

SCSS

$custom: #516bb0;
$custom-light: #8895c8;
$custom-dark: #000000;

JSON

{
  "hex": "#516bb0",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 176
  },
  "hsl": {
    "h": 223.579,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53973,
    "c": 0.11265,
    "h": 267
  },
  "luminance": 0.15399
}

Semantic roles & 50–950 ramp

primary

#516BB0

secondary

#C4B899

accent

#AE5ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516BB0

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

Preview Lab → · Contrast checker → · Palette generator →