#516EC2#516EC2

#516EC2 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.135 H 267.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#516EC2
RGB	rgb(81, 110, 194)
HSL	hsl(225, 48%, 54%)
HSV	hsv(225, 58%, 76%)
CMYK	cmyk(58.2%, 43.3%, 0%, 23.9%)
CIE-LAB	lab(48.00, 14.96, -47.26)
CIE-LCH	lch(48.00, 49.57, 287.57°)
OKLab	oklab(55.7% -0.0057 -0.1345)
OKLCH	oklch(55.7% 0.135 267.6)
XYZ	xyz(18.7036, 16.7947, 53.2846)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EC2 #C2A551

analogous

#51A7C2 #516EC2 #6D51C2

triadic

#516EC2 #C2516E #6EC251

tetradic

#516EC2 #C251A7 #C2A551 #51C26D

square

#516EC2 #C251A7 #C2A551 #51C26D

split-complementary

#516EC2 #C26D51 #A7C251

monochromatic

#283A71 #37529E #516EC2 #7E94D2 #ACBAE2

Accessibility & contrast

On white

4.82

#516EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#516EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EC2

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EC2	#FFFFFF	#000000	##FFFFFF
##516EC2	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4977C5

Deuteranopia (green-blind)

#396DC0

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ec2;
/* rgb */ color: rgb(81, 110, 194);
/* oklch */ color: oklch(55.7% 0.135 267.6);

Tailwind

colors: {
  custom: {
    50: '#8b97d5',
    500: '#516ec2',
    950: '#000000',
  },
}

SCSS

$custom: #516ec2;
$custom-light: #8b97d5;
$custom-dark: #000000;

JSON

{
  "hex": "#516ec2",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 194
  },
  "hsl": {
    "h": 224.602,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55701,
    "c": 0.13466,
    "h": 267.6
  },
  "luminance": 0.16796
}

Semantic roles & 50–950 ramp

primary

#516EC2

secondary

#D0C39F

accent

#B550D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516EC2

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

Preview Lab → · Contrast checker → · Palette generator →