#516FF5#516FF5

#516FF5 is a mid, highly saturated blue. Relative luminance 0.197; OKLCH L 59.4% C 0.203 H 269.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#516FF5
RGB	rgb(81, 111, 245)
HSL	hsl(229, 89%, 64%)
HSV	hsv(229, 67%, 96%)
CMYK	cmyk(66.9%, 54.7%, 0%, 3.9%)
CIE-LAB	lab(51.51, 31.73, -70.49)
CIE-LCH	lch(51.51, 77.30, 294.24°)
OKLab	oklab(59.4% -0.0011 -0.2028)
OKLCH	oklch(59.4% 0.203 269.7)
XYZ	xyz(25.5536, 19.7083, 88.8259)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FF5 #F5D751

analogous

#51C1F5 #516FF5 #8551F5

triadic

#516FF5 #F5516F #6FF551

tetradic

#516FF5 #F551C1 #F5D751 #51F585

square

#516FF5 #F551C1 #F5D751 #51F585

split-complementary

#516FF5 #F58551 #C1F551

monochromatic

#0B2CC1 #173FF2 #516FF5 #8B9FF8 #C5CFFC

Accessibility & contrast

On white

4.25

#516FF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#516FF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FF5

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FF5	#FFFFFF	#000000	##000000
##516FF5	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082FA

Deuteranopia (green-blind)

#0074F2

Tritanopia (blue-blind)

#008FA7

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #516ff5;
/* rgb */ color: rgb(81, 111, 245);
/* oklch */ color: oklch(59.4% 0.203 269.7);

Tailwind

colors: {
  custom: {
    50: '#9398f9',
    500: '#516ff5',
    950: '#000000',
  },
}

SCSS

$custom: #516ff5;
$custom-light: #9398f9;
$custom-dark: #000000;

JSON

{
  "hex": "#516ff5",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 245
  },
  "hsl": {
    "h": 229.024,
    "s": 89.13,
    "l": 63.922
  },
  "oklch": {
    "l": 0.59398,
    "c": 0.20283,
    "h": 269.7
  },
  "luminance": 0.19711
}

Semantic roles & 50–950 ramp

primary

#516FF5

secondary

#EEE3B4

accent

#BC00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #516FF5

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

Preview Lab → · Contrast checker → · Palette generator →