#516DFF#516DFF

#516DFF is a mid, highly saturated blue. Relative luminance 0.199; OKLCH L 59.8% C 0.218 H 270.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#516DFF
RGB	rgb(81, 109, 255)
HSL	hsl(230, 100%, 66%)
HSV	hsv(230, 68%, 100%)
CMYK	cmyk(68.2%, 57.3%, 0%, 0%)
CIE-LAB	lab(51.73, 36.37, -75.68)
CIE-LCH	lch(51.73, 83.96, 295.67°)
OKLab	oklab(59.79% 0.0007 -0.2181)
OKLCH	oklch(59.79% 0.218 270.2)
XYZ	xyz(26.9058, 19.9040, 97.0123)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DFF #FFE351

analogous

#51C4FF #516DFF #8C51FF

triadic

#516DFF #FF516D #6DFF51

tetradic

#516DFF #FF51C4 #FFE351 #51FF8C

square

#516DFF #FF51C4 #FFE351 #51FF8C

split-complementary

#516DFF #FF8C51 #C4FF51

monochromatic

#0022D6 #143AFF #516DFF #8EA0FF #CBD4FF

Accessibility & contrast

On white

4.22

#516DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#516DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516DFF

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DFF	#FFFFFF	#000000	##000000
##516DFF	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0084FF

Deuteranopia (green-blind)

#0074FC

Tritanopia (blue-blind)

#0091AC

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #516dff;
/* rgb */ color: rgb(81, 109, 255);
/* oklch */ color: oklch(59.8% 0.218 270.2);

Tailwind

colors: {
  custom: {
    50: '#9596ff',
    500: '#516dff',
    950: '#000000',
  },
}

SCSS

$custom: #516dff;
$custom-light: #9596ff;
$custom-dark: #000000;

JSON

{
  "hex": "#516dff",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 255
  },
  "hsl": {
    "h": 230.345,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.59789,
    "c": 0.21811,
    "h": 270.2
  },
  "luminance": 0.19907
}

Semantic roles & 50–950 ramp

primary

#516DFF

secondary

#F3E9B9

accent

#C100E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0D18

muted

#7F7E86

Preview Lab

Preview with #516DFF

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

Preview Lab → · Contrast checker → · Palette generator →