#516DD7#516DD7

#516DD7 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.9% C 0.165 H 269.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#516DD7
RGB	rgb(81, 109, 215)
HSL	hsl(227, 63%, 58%)
HSV	hsv(227, 62%, 84%)
CMYK	cmyk(62.3%, 49.3%, 0%, 15.7%)
CIE-LAB	lab(49.00, 22.71, -57.68)
CIE-LCH	lch(49.00, 61.98, 291.49°)
OKLab	oklab(56.87% -0.0017 -0.1651)
OKLCH	oklch(56.87% 0.165 269.4)
XYZ	xyz(21.1236, 17.5911, 66.5590)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DD7 #D7BB51

analogous

#51B0D7 #516DD7 #7851D7

triadic

#516DD7 #D7516D #6DD751

tetradic

#516DD7 #D751B0 #D7BB51 #51D778

square

#516DD7 #D751B0 #D7BB51 #51D778

split-complementary

#516DD7 #D77851 #B0D751

monochromatic

#20378D #2C4BBF #516DD7 #8397E2 #B5C1EE

Accessibility & contrast

On white

4.65

#516DD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#516DD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516DD7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DD7	#FFFFFF	#000000	##FFFFFF
##516DD7	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347BDB

Deuteranopia (green-blind)

#146FD5

Tritanopia (blue-blind)

#008598

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516dd7;
/* rgb */ color: rgb(81, 109, 215);
/* oklch */ color: oklch(56.9% 0.165 269.4);

Tailwind

colors: {
  custom: {
    50: '#8e96e4',
    500: '#516dd7',
    950: '#000000',
  },
}

SCSS

$custom: #516dd7;
$custom-light: #8e96e4;
$custom-dark: #000000;

JSON

{
  "hex": "#516dd7",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 215
  },
  "hsl": {
    "h": 227.463,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.56869,
    "c": 0.16516,
    "h": 269.4
  },
  "luminance": 0.17593
}

Semantic roles & 50–950 ramp

primary

#516DD7

secondary

#DDD1A7

accent

#C442E6

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516DD7

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

Preview Lab → · Contrast checker → · Palette generator →