#516ACD#516ACD

#516ACD is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.6% C 0.155 H 270.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#516ACD
RGB	rgb(81, 106, 205)
HSL	hsl(228, 55%, 56%)
HSV	hsv(228, 60%, 80%)
CMYK	cmyk(60.5%, 48.3%, 0%, 19.6%)
CIE-LAB	lab(47.58, 21.18, -54.26)
CIE-LCH	lch(47.58, 58.24, 291.32°)
OKLab	oklab(55.59% 0.0002 -0.1551)
OKLCH	oklch(55.59% 0.155 270.1)
XYZ	xyz(19.5631, 16.4636, 59.8926)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ACD #CDB451

analogous

#51A8CD #516ACD #7651CD

triadic

#516ACD #CD516A #6ACD51

tetradic

#516ACD #CD51A8 #CDB451 #51CD76

square

#516ACD #CD51A8 #CDB451 #51CD76

split-complementary

#516ACD #CD7651 #A8CD51

monochromatic

#25377F #324BAF #516ACD #8193DB #B0BBE8

Accessibility & contrast

On white

4.89

#516ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#516ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ACD

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ACD	#FFFFFF	#000000	##FFFFFF
##516ACD	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3877D1

Deuteranopia (green-blind)

#216CCB

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516acd;
/* rgb */ color: rgb(81, 106, 205);
/* oklch */ color: oklch(55.6% 0.155 270.1);

Tailwind

colors: {
  custom: {
    50: '#8d94dd',
    500: '#516acd',
    950: '#000000',
  },
}

SCSS

$custom: #516acd;
$custom-light: #8d94dd;
$custom-dark: #000000;

JSON

{
  "hex": "#516acd",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 205
  },
  "hsl": {
    "h": 227.903,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55589,
    "c": 0.15513,
    "h": 270.1
  },
  "luminance": 0.16465
}

Semantic roles & 50–950 ramp

primary

#516ACD

secondary

#D7CCA3

accent

#C149DF

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ACD

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

Preview Lab → · Contrast checker → · Palette generator →