#516EE7#516EE7

#516EE7 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.2% C 0.186 H 269.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#516EE7
RGB	rgb(81, 110, 231)
HSL	hsl(228, 76%, 61%)
HSV	hsv(228, 65%, 91%)
CMYK	cmyk(64.9%, 52.4%, 0%, 9.4%)
CIE-LAB	lab(50.30, 27.56, -64.62)
CIE-LCH	lch(50.30, 70.25, 293.10°)
OKLab	oklab(58.18% -0.0011 -0.1856)
OKLCH	oklch(58.18% 0.186 269.7)
XYZ	xyz(23.3882, 18.6686, 77.9567)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EE7 #E7CA51

analogous

#51B9E7 #516EE7 #7F51E7

triadic

#516EE7 #E7516E #6EE751

tetradic

#516EE7 #E751B9 #E7CA51 #51E77F

square

#516EE7 #E751B9 #E7CA51 #51E77F

split-complementary

#516EE7 #E77F51 #B9E751

monochromatic

#1733A7 #1E43DC #516EE7 #879BEE #BDC8F6

Accessibility & contrast

On white

4.44

#516EE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#516EE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EE7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EE7	#FFFFFF	#000000	##000000
##516EE7	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E7FEB

Deuteranopia (green-blind)

#0071E5

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #516ee7;
/* rgb */ color: rgb(81, 110, 231);
/* oklch */ color: oklch(58.2% 0.186 269.7);

Tailwind

colors: {
  custom: {
    50: '#9197ef',
    500: '#516ee7',
    950: '#000000',
  },
}

SCSS

$custom: #516ee7;
$custom-light: #9197ef;
$custom-dark: #000000;

JSON

{
  "hex": "#516ee7",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 231
  },
  "hsl": {
    "h": 228.4,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58185,
    "c": 0.18556,
    "h": 269.7
  },
  "luminance": 0.18671
}

Semantic roles & 50–950 ramp

primary

#516EE7

secondary

#E6DBAE

accent

#B10ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #516EE7

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

Preview Lab → · Contrast checker → · Palette generator →