#516ED0#516ED0

#516ED0 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.6% C 0.154 H 268.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#516ED0
RGB	rgb(81, 110, 208)
HSL	hsl(226, 57%, 57%)
HSV	hsv(226, 61%, 82%)
CMYK	cmyk(61.1%, 47.1%, 0%, 18.4%)
CIE-LAB	lab(48.83, 19.70, -53.96)
CIE-LCH	lch(48.83, 57.45, 290.05°)
OKLab	oklab(56.6% -0.0035 -0.1542)
OKLCH	oklch(56.6% 0.154 268.7)
XYZ	xyz(20.3506, 17.4535, 61.9587)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ED0 #D0B351

analogous

#51AED0 #516ED0 #7451D0

triadic

#516ED0 #D0516E #6ED051

tetradic

#516ED0 #D051AE #D0B351 #51D074

square

#516ED0 #D051AE #D0B351 #51D074

split-complementary

#516ED0 #D07451 #AED051

monochromatic

#233983 #304EB3 #516ED0 #8196DD #B1BEEA

Accessibility & contrast

On white

4.68

#516ED0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#516ED0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ED0

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ED0	#FFFFFF	#000000	##FFFFFF
##516ED0	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7AD4

Deuteranopia (green-blind)

#276FCE

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516ed0;
/* rgb */ color: rgb(81, 110, 208);
/* oklch */ color: oklch(56.6% 0.154 268.7);

Tailwind

colors: {
  custom: {
    50: '#8d97df',
    500: '#516ed0',
    950: '#000000',
  },
}

SCSS

$custom: #516ed0;
$custom-light: #8d97df;
$custom-dark: #000000;

JSON

{
  "hex": "#516ed0",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 208
  },
  "hsl": {
    "h": 226.299,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.566,
    "c": 0.15426,
    "h": 268.7
  },
  "luminance": 0.17455
}

Semantic roles & 50–950 ramp

primary

#516ED0

secondary

#D8CDA4

accent

#BE47E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ED0

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

Preview Lab → · Contrast checker → · Palette generator →