#516CC7#516CC7

#516CC7 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.6% C 0.144 H 268.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#516CC7
RGB	rgb(81, 108, 199)
HSL	hsl(226, 51%, 55%)
HSV	hsv(226, 59%, 78%)
CMYK	cmyk(59.3%, 45.7%, 0%, 22%)
CIE-LAB	lab(47.75, 17.89, -50.54)
CIE-LCH	lch(47.75, 53.62, 289.50°)
OKLab	oklab(55.6% -0.0027 -0.1442)
OKLCH	oklch(55.6% 0.144 268.9)
XYZ	xyz(19.0612, 16.5964, 56.2207)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CC7 #C7AC51

analogous

#51A7C7 #516CC7 #7151C7

triadic

#516CC7 #C7516C #6CC751

tetradic

#516CC7 #C751A7 #C7AC51 #51C771

square

#516CC7 #C751A7 #C7AC51 #51C771

split-complementary

#516CC7 #C77151 #A7C751

monochromatic

#263977 #354FA6 #516CC7 #7F93D6 #AEBAE5

Accessibility & contrast

On white

4.86

#516CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#516CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CC7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CC7	#FFFFFF	#000000	##FFFFFF
##516CC7	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4177CA

Deuteranopia (green-blind)

#306CC5

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516cc7;
/* rgb */ color: rgb(81, 108, 199);
/* oklch */ color: oklch(55.6% 0.144 268.9);

Tailwind

colors: {
  custom: {
    50: '#8c95d8',
    500: '#516cc7',
    950: '#000000',
  },
}

SCSS

$custom: #516cc7;
$custom-light: #8c95d8;
$custom-dark: #000000;

JSON

{
  "hex": "#516cc7",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 199
  },
  "hsl": {
    "h": 226.271,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55602,
    "c": 0.14422,
    "h": 268.9
  },
  "luminance": 0.16598
}

Semantic roles & 50–950 ramp

primary

#516CC7

secondary

#D3C7A1

accent

#BA4DDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516CC7

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

Preview Lab → · Contrast checker → · Palette generator →