#516FCF#516FCF

#516FCF is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.7% C 0.152 H 268.2°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#516FCF
RGB	rgb(81, 111, 207)
HSL	hsl(226, 57%, 56%)
HSV	hsv(226, 61%, 81%)
CMYK	cmyk(60.9%, 46.4%, 0%, 18.8%)
CIE-LAB	lab(49.03, 18.74, -53.06)
CIE-LCH	lch(49.03, 56.27, 289.45°)
OKLab	oklab(56.74% -0.0047 -0.1516)
OKLCH	oklch(56.74% 0.152 268.2)
XYZ	xyz(20.3364, 17.6215, 61.3490)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FCF #CFB151

analogous

#51AECF #516FCF #7251CF

triadic

#516FCF #CF516F #6FCF51

tetradic

#516FCF #CF51AE #CFB151 #51CF72

square

#516FCF #CF51AE #CFB151 #51CF72

split-complementary

#516FCF #CF7251 #AECF51

monochromatic

#243A82 #3150B2 #516FCF #8197DC #B1BEE9

Accessibility & contrast

On white

4.64

#516FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#516FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516FCF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FCF	#FFFFFF	#000000	##FFFFFF
##516FCF	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#407AD3

Deuteranopia (green-blind)

#2C6FCD

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516fcf;
/* rgb */ color: rgb(81, 111, 207);
/* oklch */ color: oklch(56.7% 0.152 268.2);

Tailwind

colors: {
  custom: {
    50: '#8d97de',
    500: '#516fcf',
    950: '#000000',
  },
}

SCSS

$custom: #516fcf;
$custom-light: #8d97de;
$custom-dark: #000000;

JSON

{
  "hex": "#516fcf",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 207
  },
  "hsl": {
    "h": 225.714,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56738,
    "c": 0.15163,
    "h": 268.2
  },
  "luminance": 0.17623
}

Semantic roles & 50–950 ramp

primary

#516FCF

secondary

#D8CBA4

accent

#BC48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516FCF

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

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