#516DE0#516DE0

#516DE0 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.5% C 0.177 H 269.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#516DE0
RGB	rgb(81, 109, 224)
HSL	hsl(228, 70%, 60%)
HSV	hsv(228, 64%, 88%)
CMYK	cmyk(63.8%, 51.3%, 0%, 12.2%)
CIE-LAB	lab(49.58, 25.78, -61.84)
CIE-LCH	lch(49.58, 67.00, 292.63°)
OKLab	oklab(57.49% -0.0008 -0.1774)
OKLCH	oklch(57.49% 0.177 269.7)
XYZ	xyz(22.3120, 18.0664, 72.8179)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DE0 #E0C451

analogous

#51B4E0 #516DE0 #7D51E0

triadic

#516DE0 #E0516D #6DE051

tetradic

#516DE0 #E051B4 #E0C451 #51E07D

square

#516DE0 #E051B4 #E0C451 #51E07D

split-complementary

#516DE0 #E07D51 #B4E051

monochromatic

#1C359B #2546CF #516DE0 #8599E9 #B9C4F3

Accessibility & contrast

On white

4.55

#516DE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#516DE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516DE0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DE0	#FFFFFF	#000000	##000000
##516DE0	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287DE4

Deuteranopia (green-blind)

#0070DE

Tritanopia (blue-blind)

#00889C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516de0;
/* rgb */ color: rgb(81, 109, 224);
/* oklch */ color: oklch(57.5% 0.177 269.7);

Tailwind

colors: {
  custom: {
    50: '#9096ea',
    500: '#516de0',
    950: '#000000',
  },
}

SCSS

$custom: #516de0;
$custom-light: #9096ea;
$custom-dark: #000000;

JSON

{
  "hex": "#516de0",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 224
  },
  "hsl": {
    "h": 228.252,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57494,
    "c": 0.1774,
    "h": 269.7
  },
  "luminance": 0.18068
}

Semantic roles & 50–950 ramp

primary

#516DE0

secondary

#E2D7AB

accent

#CA3BED

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516DE0

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

Preview Lab → · Contrast checker → · Palette generator →