#516EFF#516EFF

#516EFF is a mid, highly saturated blue. Relative luminance 0.201; OKLCH L 60.0% C 0.217 H 270.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#516EFF
RGB	rgb(81, 110, 255)
HSL	hsl(230, 100%, 66%)
HSV	hsv(230, 68%, 100%)
CMYK	cmyk(68.2%, 56.9%, 0%, 0%)
CIE-LAB	lab(51.97, 35.76, -75.28)
CIE-LCH	lch(51.97, 83.34, 295.41°)
OKLab	oklab(59.97% 0 -0.2169)
OKLCH	oklch(59.97% 0.217 270)
XYZ	xyz(27.0131, 20.1185, 97.0480)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EFF #FFE251

analogous

#51C5FF #516EFF #8B51FF

triadic

#516EFF #FF516E #6EFF51

tetradic

#516EFF #FF51C5 #FFE251 #51FF8B

square

#516EFF #FF51C5 #FFE251 #51FF8B

split-complementary

#516EFF #FF8B51 #C5FF51

monochromatic

#0024D6 #143BFF #516EFF #8EA1FF #CBD4FF

Accessibility & contrast

On white

4.18

#516EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#516EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EFF

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EFF	#FFFFFF	#000000	##000000
##516EFF	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0084FF

Deuteranopia (green-blind)

#0074FC

Tritanopia (blue-blind)

#0092AC

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #516eff;
/* rgb */ color: rgb(81, 110, 255);
/* oklch */ color: oklch(60.0% 0.217 270.0);

Tailwind

colors: {
  custom: {
    50: '#9597ff',
    500: '#516eff',
    950: '#000000',
  },
}

SCSS

$custom: #516eff;
$custom-light: #9597ff;
$custom-dark: #000000;

JSON

{
  "hex": "#516eff",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 255
  },
  "hsl": {
    "h": 230,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.5997,
    "c": 0.21694,
    "h": 270
  },
  "luminance": 0.20121
}

Semantic roles & 50–950 ramp

primary

#516EFF

secondary

#F3E9B9

accent

#BF00E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0D18

muted

#7F7E86

Preview Lab

Preview with #516EFF

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

Preview Lab → · Contrast checker → · Palette generator →