#516BC9#516BC9

#516BC9 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.148 H 269.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#516BC9
RGB	rgb(81, 107, 201)
HSL	hsl(227, 53%, 55%)
HSV	hsv(227, 60%, 79%)
CMYK	cmyk(59.7%, 46.8%, 0%, 21.2%)
CIE-LAB	lab(47.60, 19.19, -51.93)
CIE-LCH	lch(47.60, 55.36, 290.29°)
OKLab	oklab(55.53% -0.0014 -0.1483)
OKLCH	oklch(55.53% 0.148 269.5)
XYZ	xyz(19.1901, 16.4802, 57.4167)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BC9 #C9AF51

analogous

#51A7C9 #516BC9 #7351C9

triadic

#516BC9 #C9516B #6BC951

tetradic

#516BC9 #C951A7 #C9AF51 #51C973

square

#516BC9 #C951A7 #C9AF51 #51C973

split-complementary

#516BC9 #C97351 #A7C951

monochromatic

#26387A #344DA9 #516BC9 #8093D7 #AEBAE6

Accessibility & contrast

On white

4.89

#516BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#516BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BC9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BC9	#FFFFFF	#000000	##FFFFFF
##516BC9	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E77CC

Deuteranopia (green-blind)

#2A6CC7

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516bc9;
/* rgb */ color: rgb(81, 107, 201);
/* oklch */ color: oklch(55.5% 0.148 269.5);

Tailwind

colors: {
  custom: {
    50: '#8c95da',
    500: '#516bc9',
    950: '#000000',
  },
}

SCSS

$custom: #516bc9;
$custom-light: #8c95da;
$custom-dark: #000000;

JSON

{
  "hex": "#516bc9",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 201
  },
  "hsl": {
    "h": 227,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.55526,
    "c": 0.14829,
    "h": 269.5
  },
  "luminance": 0.16482
}

Semantic roles & 50–950 ramp

primary

#516BC9

secondary

#D4C9A2

accent

#BD4CDC

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BC9

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

Preview Lab → · Contrast checker → · Palette generator →