#516DC8#516DC8

#516DC8 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.9% C 0.144 H 268.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#516DC8
RGB	rgb(81, 109, 200)
HSL	hsl(226, 52%, 55%)
HSV	hsv(226, 60%, 78%)
CMYK	cmyk(59.5%, 45.5%, 0%, 21.6%)
CIE-LAB	lab(48.08, 17.61, -50.59)
CIE-LCH	lch(48.08, 53.56, 289.19°)
OKLab	oklab(55.87% -0.0036 -0.1443)
OKLCH	oklch(55.87% 0.144 268.6)
XYZ	xyz(19.2838, 16.8552, 56.8695)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DC8 #C8AC51

analogous

#51A9C8 #516DC8 #7051C8

triadic

#516DC8 #C8516D #6DC851

tetradic

#516DC8 #C851A9 #C8AC51 #51C870

square

#516DC8 #C851A9 #C8AC51 #51C870

split-complementary

#516DC8 #C87051 #A9C851

monochromatic

#263979 #3550A7 #516DC8 #8094D7 #AEBBE5

Accessibility & contrast

On white

4.80

#516DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#516DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DC8

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DC8	#FFFFFF	#000000	##FFFFFF
##516DC8	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4278CB

Deuteranopia (green-blind)

#316DC6

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516dc8;
/* rgb */ color: rgb(81, 109, 200);
/* oklch */ color: oklch(55.9% 0.144 268.6);

Tailwind

colors: {
  custom: {
    50: '#8c96d9',
    500: '#516dc8',
    950: '#000000',
  },
}

SCSS

$custom: #516dc8;
$custom-light: #8c96d9;
$custom-dark: #000000;

JSON

{
  "hex": "#516dc8",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 200
  },
  "hsl": {
    "h": 225.882,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.55873,
    "c": 0.14437,
    "h": 268.6
  },
  "luminance": 0.16857
}

Semantic roles & 50–950 ramp

primary

#516DC8

secondary

#D3C8A1

accent

#BA4CDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516DC8

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

Preview Lab → · Contrast checker → · Palette generator →