#516CE0#516CE0

#516CE0 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.3% C 0.179 H 270.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#516CE0
RGB	rgb(81, 108, 224)
HSL	hsl(229, 70%, 60%)
HSV	hsv(229, 64%, 88%)
CMYK	cmyk(63.8%, 51.8%, 0%, 12.2%)
CIE-LAB	lab(49.32, 26.40, -62.25)
CIE-LCH	lch(49.32, 67.62, 292.98°)
OKLab	oklab(57.3% 0.0001 -0.1786)
OKLCH	oklch(57.3% 0.179 270)
XYZ	xyz(22.2059, 17.8543, 72.7826)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CE0 #E0C551

analogous

#51B4E0 #516CE0 #7D51E0

triadic

#516CE0 #E0516C #6CE051

tetradic

#516CE0 #E051B4 #E0C551 #51E07D

square

#516CE0 #E051B4 #E0C551 #51E07D

split-complementary

#516CE0 #E07D51 #B4E051

monochromatic

#1C349B #2545CF #516CE0 #8598E9 #B9C4F3

Accessibility & contrast

On white

4.59

#516CE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#516CE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516CE0

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CE0	#FFFFFF	#000000	##FFFFFF
##516CE0	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#247CE4

Deuteranopia (green-blind)

#006FDE

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516ce0;
/* rgb */ color: rgb(81, 108, 224);
/* oklch */ color: oklch(57.3% 0.179 270.0);

Tailwind

colors: {
  custom: {
    50: '#9095ea',
    500: '#516ce0',
    950: '#000000',
  },
}

SCSS

$custom: #516ce0;
$custom-light: #9095ea;
$custom-dark: #000000;

JSON

{
  "hex": "#516ce0",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 224
  },
  "hsl": {
    "h": 228.671,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57299,
    "c": 0.17863,
    "h": 270
  },
  "luminance": 0.17856
}

Semantic roles & 50–950 ramp

primary

#516CE0

secondary

#E2D8AB

accent

#CB3BED

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516CE0

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

Preview Lab → · Contrast checker → · Palette generator →