#516ACC#516ACC

#516ACC is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.5% C 0.154 H 270.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#516ACC
RGB	rgb(81, 106, 204)
HSL	hsl(228, 55%, 56%)
HSV	hsv(228, 60%, 80%)
CMYK	cmyk(60.3%, 48%, 0%, 20%)
CIE-LAB	lab(47.51, 20.84, -53.78)
CIE-LCH	lch(47.51, 57.68, 291.18°)
OKLab	oklab(55.52% 0 -0.1537)
OKLCH	oklch(55.52% 0.154 270)
XYZ	xyz(19.4428, 16.4154, 59.2589)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ACC #CCB351

analogous

#51A7CC #516ACC #7551CC

triadic

#516ACC #CC516A #6ACC51

tetradic

#516ACC #CC51A7 #CCB351 #51CC75

square

#516ACC #CC51A7 #CCB351 #51CC75

split-complementary

#516ACC #CC7551 #A7CC51

monochromatic

#25377E #334CAD #516ACC #8093DA #B0BBE8

Accessibility & contrast

On white

4.90

#516ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#516ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ACC

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ACC	#FFFFFF	#000000	##FFFFFF
##516ACC	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3976D0

Deuteranopia (green-blind)

#236CCA

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516acc;
/* rgb */ color: rgb(81, 106, 204);
/* oklch */ color: oklch(55.5% 0.154 270.0);

Tailwind

colors: {
  custom: {
    50: '#8c94dc',
    500: '#516acc',
    950: '#000000',
  },
}

SCSS

$custom: #516acc;
$custom-light: #8c94dc;
$custom-dark: #000000;

JSON

{
  "hex": "#516acc",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 204
  },
  "hsl": {
    "h": 227.805,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.55522,
    "c": 0.15374,
    "h": 270
  },
  "luminance": 0.16417
}

Semantic roles & 50–950 ramp

primary

#516ACC

secondary

#D6CCA3

accent

#C04ADE

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ACC

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

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