#516EBF#516EBF

#516EBF is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.5% C 0.130 H 267.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#516EBF
RGB	rgb(81, 110, 191)
HSL	hsl(224, 46%, 53%)
HSV	hsv(224, 58%, 75%)
CMYK	cmyk(57.6%, 42.4%, 0%, 25.1%)
CIE-LAB	lab(47.83, 13.96, -45.80)
CIE-LCH	lch(47.83, 47.88, 286.94°)
OKLab	oklab(55.52% -0.0062 -0.1303)
OKLCH	oklch(55.52% 0.13 267.3)
XYZ	xyz(18.3701, 16.6613, 51.5280)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EBF #BFA251

analogous

#51A5BF #516EBF #6B51BF

triadic

#516EBF #BF516E #6EBF51

tetradic

#516EBF #BF51A5 #BFA251 #51BF6B

square

#516EBF #BF51A5 #BFA251 #51BF6B

split-complementary

#516EBF #BF6B51 #A5BF51

monochromatic

#283A6D #39529A #516EBF #7E93CF #AAB9E0

Accessibility & contrast

On white

4.85

#516EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#516EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EBF

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EBF	#FFFFFF	#000000	##FFFFFF
##516EBF	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C2

Deuteranopia (green-blind)

#3C6DBD

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516ebf;
/* rgb */ color: rgb(81, 110, 191);
/* oklch */ color: oklch(55.5% 0.130 267.3);

Tailwind

colors: {
  custom: {
    50: '#8a97d3',
    500: '#516ebf',
    950: '#000000',
  },
}

SCSS

$custom: #516ebf;
$custom-light: #8a97d3;
$custom-dark: #000000;

JSON

{
  "hex": "#516ebf",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 191
  },
  "hsl": {
    "h": 224.182,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55515,
    "c": 0.13041,
    "h": 267.3
  },
  "luminance": 0.16663
}

Semantic roles & 50–950 ramp

primary

#516EBF

secondary

#CEC19E

accent

#B352D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #516EBF

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

Preview Lab → · Contrast checker → · Palette generator →