#516FF0#516FF0

#516FF0 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 59.0% C 0.196 H 269.6°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#516FF0
RGB	rgb(81, 111, 240)
HSL	hsl(229, 84%, 63%)
HSV	hsv(229, 66%, 94%)
CMYK	cmyk(66.3%, 53.8%, 0%, 5.9%)
CIE-LAB	lab(51.16, 30.02, -68.26)
CIE-LCH	lch(51.16, 74.57, 293.74°)
OKLab	oklab(59.03% -0.0014 -0.1963)
OKLCH	oklch(59.03% 0.196 269.6)
XYZ	xyz(24.8006, 19.4071, 84.8601)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FF0 #F0D251

analogous

#51BFF0 #516FF0 #8251F0

triadic

#516FF0 #F0516F #6FF051

tetradic

#516FF0 #F051BF #F0D251 #51F082

square

#516FF0 #F051BF #F0D251 #51F082

split-complementary

#516FF0 #F08251 #BFF051

monochromatic

#102FB7 #1940EB #516FF0 #899EF5 #C2CCFA

Accessibility & contrast

On white

4.30

#516FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#516FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FF0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FF0	#FFFFFF	#000000	##000000
##516FF0	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0481F4

Deuteranopia (green-blind)

#0073ED

Tritanopia (blue-blind)

#008EA5

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #516ff0;
/* rgb */ color: rgb(81, 111, 240);
/* oklch */ color: oklch(59.0% 0.196 269.6);

Tailwind

colors: {
  custom: {
    50: '#9298f6',
    500: '#516ff0',
    950: '#000000',
  },
}

SCSS

$custom: #516ff0;
$custom-light: #9298f6;
$custom-dark: #000000;

JSON

{
  "hex": "#516ff0",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 240
  },
  "hsl": {
    "h": 228.679,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.59029,
    "c": 0.19628,
    "h": 269.6
  },
  "luminance": 0.19409
}

Semantic roles & 50–950 ramp

primary

#516FF0

secondary

#EBE0B2

accent

#B705E1

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #516FF0

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

Preview Lab → · Contrast checker → · Palette generator →