#516ACE#516ACE

#516ACE is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.7% C 0.157 H 270.1°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#516ACE
RGB	rgb(81, 106, 206)
HSL	hsl(228, 56%, 56%)
HSV	hsv(228, 61%, 81%)
CMYK	cmyk(60.7%, 48.5%, 0%, 19.2%)
CIE-LAB	lab(47.64, 21.51, -54.73)
CIE-LCH	lch(47.64, 58.80, 291.46°)
OKLab	oklab(55.66% 0.0003 -0.1565)
OKLCH	oklch(55.66% 0.157 270.1)
XYZ	xyz(19.6842, 16.5120, 60.5304)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ACE #CEB551

analogous

#51A9CE #516ACE #7751CE

triadic

#516ACE #CE516A #6ACE51

tetradic

#516ACE #CE51A9 #CEB551 #51CE77

square

#516ACE #CE51A9 #CEB551 #51CE77

split-complementary

#516ACE #CE7751 #A9CE51

monochromatic

#243780 #324BB0 #516ACE #8193DB #B1BCE9

Accessibility & contrast

On white

4.88

#516ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#516ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ACE

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ACE	#FFFFFF	#000000	##FFFFFF
##516ACE	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3777D2

Deuteranopia (green-blind)

#1F6CCC

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516ace;
/* rgb */ color: rgb(81, 106, 206);
/* oklch */ color: oklch(55.7% 0.157 270.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#516ace",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 206
  },
  "hsl": {
    "h": 228,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.55656,
    "c": 0.15652,
    "h": 270.1
  },
  "luminance": 0.16514
}

Semantic roles & 50–950 ramp

primary

#516ACE

secondary

#D7CDA4

accent

#C148DF

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ACE

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

Preview Lab → · Contrast checker → · Palette generator →