#516DE4#516DE4

#516DE4 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.8% C 0.183 H 269.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#516DE4
RGB	rgb(81, 109, 228)
HSL	hsl(229, 73%, 61%)
HSV	hsv(229, 64%, 89%)
CMYK	cmyk(64.5%, 52.2%, 0%, 10.6%)
CIE-LAB	lab(49.84, 27.15, -63.66)
CIE-LCH	lch(49.84, 69.21, 293.10°)
OKLab	oklab(57.78% -0.0005 -0.1828)
OKLCH	oklch(57.78% 0.183 269.9)
XYZ	xyz(22.8608, 18.2860, 75.7085)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DE4 #E4C851

analogous

#51B7E4 #516DE4 #7E51E4

triadic

#516DE4 #E4516D #6DE451

tetradic

#516DE4 #E451B7 #E4C851 #51E47E

square

#516DE4 #E451B7 #E4C851 #51E47E

split-complementary

#516DE4 #E47E51 #B7E451

monochromatic

#1933A2 #2144D7 #516DE4 #8699EC #BBC6F4

Accessibility & contrast

On white

4.51

#516DE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#516DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516DE4

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DE4	#FFFFFF	#000000	##000000
##516DE4	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#207DE8

Deuteranopia (green-blind)

#0070E2

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #516de4;
/* rgb */ color: rgb(81, 109, 228);
/* oklch */ color: oklch(57.8% 0.183 269.9);

Tailwind

colors: {
  custom: {
    50: '#9096ed',
    500: '#516de4',
    950: '#000000',
  },
}

SCSS

$custom: #516de4;
$custom-light: #9096ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516de4",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 228
  },
  "hsl": {
    "h": 228.571,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57778,
    "c": 0.18278,
    "h": 269.9
  },
  "luminance": 0.18288
}

Semantic roles & 50–950 ramp

primary

#516DE4

secondary

#E4DAAC

accent

#B010D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516DE4

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

Preview Lab → · Contrast checker → · Palette generator →