#516DD6#516DD6

#516DD6 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.8% C 0.164 H 269.4°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#516DD6
RGB	rgb(81, 109, 214)
HSL	hsl(227, 62%, 58%)
HSV	hsv(227, 62%, 84%)
CMYK	cmyk(62.1%, 49.1%, 0%, 16.1%)
CIE-LAB	lab(48.93, 22.37, -57.21)
CIE-LCH	lch(48.93, 61.43, 291.35°)
OKLab	oklab(56.8% -0.0018 -0.1638)
OKLCH	oklch(56.8% 0.164 269.4)
XYZ	xyz(20.9955, 17.5398, 65.8844)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DD6 #D6BA51

analogous

#51B0D6 #516DD6 #7751D6

triadic

#516DD6 #D6516D #6DD651

tetradic

#516DD6 #D651B0 #D6BA51 #51D677

square

#516DD6 #D651B0 #D6BA51 #51D677

split-complementary

#516DD6 #D67751 #B0D651

monochromatic

#21378C #2D4BBD #516DD6 #8397E2 #B4C0ED

Accessibility & contrast

On white

4.66

#516DD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#516DD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516DD6

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DD6	#FFFFFF	#000000	##FFFFFF
##516DD6	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357BDA

Deuteranopia (green-blind)

#176FD4

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516dd6;
/* rgb */ color: rgb(81, 109, 214);
/* oklch */ color: oklch(56.8% 0.164 269.4);

Tailwind

colors: {
  custom: {
    50: '#8e96e3',
    500: '#516dd6',
    950: '#000000',
  },
}

SCSS

$custom: #516dd6;
$custom-light: #8e96e3;
$custom-dark: #000000;

JSON

{
  "hex": "#516dd6",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 214
  },
  "hsl": {
    "h": 227.368,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.568,
    "c": 0.16379,
    "h": 269.4
  },
  "luminance": 0.17542
}

Semantic roles & 50–950 ramp

primary

#516DD6

secondary

#DCD1A7

accent

#C343E5

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0D0D15

muted

#7E7E84

Preview Lab

Preview with #516DD6

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

Preview Lab → · Contrast checker → · Palette generator →