#516DBF#516DBF

#516DBF is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.132 H 267.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#516DBF
RGB	rgb(81, 109, 191)
HSL	hsl(225, 46%, 53%)
HSV	hsv(225, 58%, 75%)
CMYK	cmyk(57.6%, 42.9%, 0%, 25.1%)
CIE-LAB	lab(47.56, 14.58, -46.24)
CIE-LCH	lch(47.56, 48.49, 287.50°)
OKLab	oklab(55.3% -0.0051 -0.1316)
OKLCH	oklch(55.3% 0.132 267.8)
XYZ	xyz(18.2628, 16.4468, 51.4923)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DBF #BFA351

analogous

#51A4BF #516DBF #6C51BF

triadic

#516DBF #BF516D #6DBF51

tetradic

#516DBF #BF51A4 #BFA351 #51BF6C

square

#516DBF #BF51A4 #BFA351 #51BF6C

split-complementary

#516DBF #BF6C51 #A4BF51

monochromatic

#283A6D #39519A #516DBF #7E93CF #AAB8E0

Accessibility & contrast

On white

4.90

#516DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#516DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DBF

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DBF	#FFFFFF	#000000	##FFFFFF
##516DBF	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4976C2

Deuteranopia (green-blind)

#3B6CBD

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516dbf;
/* rgb */ color: rgb(81, 109, 191);
/* oklch */ color: oklch(55.3% 0.132 267.8);

Tailwind

colors: {
  custom: {
    50: '#8a96d3',
    500: '#516dbf',
    950: '#000000',
  },
}

SCSS

$custom: #516dbf;
$custom-light: #8a96d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516dbf",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 191
  },
  "hsl": {
    "h": 224.727,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55304,
    "c": 0.13166,
    "h": 267.8
  },
  "luminance": 0.16448
}

Semantic roles & 50–950 ramp

primary

#516DBF

secondary

#CEC29E

accent

#B452D6

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #516DBF

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

Preview Lab → · Contrast checker → · Palette generator →