#516BCD#516BCD

#516BCD is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.8% C 0.154 H 269.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#516BCD
RGB	rgb(81, 107, 205)
HSL	hsl(227, 55%, 56%)
HSV	hsv(227, 60%, 80%)
CMYK	cmyk(60.5%, 47.8%, 0%, 19.6%)
CIE-LAB	lab(47.84, 20.55, -53.83)
CIE-LCH	lch(47.84, 57.62, 290.90°)
OKLab	oklab(55.79% -0.0008 -0.1539)
OKLCH	oklch(55.79% 0.154 269.7)
XYZ	xyz(19.6668, 16.6709, 59.9272)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BCD #CDB351

analogous

#51A9CD #516BCD #7551CD

triadic

#516BCD #CD516B #6BCD51

tetradic

#516BCD #CD51A9 #CDB351 #51CD75

square

#516BCD #CD51A9 #CDB351 #51CD75

split-complementary

#516BCD #CD7551 #A9CD51

monochromatic

#25387F #324CAF #516BCD #8193DB #B0BCE8

Accessibility & contrast

On white

4.84

#516BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#516BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BCD

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BCD	#FFFFFF	#000000	##FFFFFF
##516BCD	1.00	4.84	4.33	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A77D1

Deuteranopia (green-blind)

#246CCB

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516bcd;
/* rgb */ color: rgb(81, 107, 205);
/* oklch */ color: oklch(55.8% 0.154 269.7);

Tailwind

colors: {
  custom: {
    50: '#8d95dd',
    500: '#516bcd',
    950: '#000000',
  },
}

SCSS

$custom: #516bcd;
$custom-light: #8d95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#516bcd",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 205
  },
  "hsl": {
    "h": 227.419,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55791,
    "c": 0.15386,
    "h": 269.7
  },
  "luminance": 0.16672
}

Semantic roles & 50–950 ramp

primary

#516BCD

secondary

#D7CCA3

accent

#BF49DF

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BCD

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

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