#516FCA#516FCA

#516FCA is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.145 H 267.9°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#516FCA
RGB	rgb(81, 111, 202)
HSL	hsl(225, 53%, 55%)
HSV	hsv(225, 60%, 79%)
CMYK	cmyk(59.9%, 45%, 0%, 20.8%)
CIE-LAB	lab(48.74, 17.04, -50.68)
CIE-LCH	lch(48.74, 53.47, 288.58°)
OKLab	oklab(56.42% -0.0054 -0.1446)
OKLCH	oklch(56.42% 0.145 267.9)
XYZ	xyz(19.7348, 17.3808, 58.1805)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FCA #CAAC51

analogous

#51ABCA #516FCA #6F51CA

triadic

#516FCA #CA516F #6FCA51

tetradic

#516FCA #CA51AB #CAAC51 #51CA6F

square

#516FCA #CA51AB #CAAC51 #51CA6F

split-complementary

#516FCA #CA6F51 #ABCA51

monochromatic

#253B7B #3451AA #516FCA #8096D8 #AFBDE7

Accessibility & contrast

On white

4.69

#516FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#516FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FCA

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FCA	#FFFFFF	#000000	##FFFFFF
##516FCA	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACD

Deuteranopia (green-blind)

#326FC8

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516fca;
/* rgb */ color: rgb(81, 111, 202);
/* oklch */ color: oklch(56.4% 0.145 267.9);

Tailwind

colors: {
  custom: {
    50: '#8c97db',
    500: '#516fca',
    950: '#000000',
  },
}

SCSS

$custom: #516fca;
$custom-light: #8c97db;
$custom-dark: #000000;

JSON

{
  "hex": "#516fca",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 202
  },
  "hsl": {
    "h": 225.124,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.56415,
    "c": 0.14466,
    "h": 267.9
  },
  "luminance": 0.17382
}

Semantic roles & 50–950 ramp

primary

#516FCA

secondary

#D5C8A2

accent

#B94BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516FCA

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

Preview Lab → · Contrast checker → · Palette generator →