#516BCF#516BCF

#516BCF is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.9% C 0.157 H 269.8°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#516BCF
RGB	rgb(81, 107, 207)
HSL	hsl(228, 57%, 56%)
HSV	hsv(228, 61%, 81%)
CMYK	cmyk(60.9%, 48.3%, 0%, 18.8%)
CIE-LAB	lab(47.97, 21.23, -54.77)
CIE-LCH	lch(47.97, 58.74, 291.19°)
OKLab	oklab(55.93% -0.0006 -0.1566)
OKLCH	oklch(55.93% 0.157 269.8)
XYZ	xyz(19.9097, 16.7681, 61.2067)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BCF #CFB551

analogous

#51AACF #516BCF #7651CF

triadic

#516BCF #CF516B #6BCF51

tetradic

#516BCF #CF51AA #CFB551 #51CF76

square

#516BCF #CF51AA #CFB551 #51CF76

split-complementary

#516BCF #CF7651 #AACF51

monochromatic

#243782 #314CB2 #516BCF #8194DC #B1BDE9

Accessibility & contrast

On white

4.82

#516BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#516BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BCF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BCF	#FFFFFF	#000000	##FFFFFF
##516BCF	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3878D3

Deuteranopia (green-blind)

#206DCD

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516bcf;
/* rgb */ color: rgb(81, 107, 207);
/* oklch */ color: oklch(55.9% 0.157 269.8);

Tailwind

colors: {
  custom: {
    50: '#8d95de',
    500: '#516bcf',
    950: '#000000',
  },
}

SCSS

$custom: #516bcf;
$custom-light: #8d95de;
$custom-dark: #000000;

JSON

{
  "hex": "#516bcf",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 207
  },
  "hsl": {
    "h": 227.619,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.55925,
    "c": 0.15664,
    "h": 269.8
  },
  "luminance": 0.1677
}

Semantic roles & 50–950 ramp

primary

#516BCF

secondary

#D8CDA4

accent

#C148E0

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BCF

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

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