#516BCA#516BCA

#516BCA is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.6% C 0.150 H 269.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#516BCA
RGB	rgb(81, 107, 202)
HSL	hsl(227, 53%, 55%)
HSV	hsv(227, 60%, 79%)
CMYK	cmyk(59.9%, 47%, 0%, 20.8%)
CIE-LAB	lab(47.66, 19.53, -52.40)
CIE-LCH	lch(47.66, 55.93, 290.44°)
OKLab	oklab(55.59% -0.0012 -0.1497)
OKLCH	oklch(55.59% 0.15 269.5)
XYZ	xyz(19.3081, 16.5274, 58.0383)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BCA #CAB051

analogous

#51A8CA #516BCA #7351CA

triadic

#516BCA #CA516B #6BCA51

tetradic

#516BCA #CA51A8 #CAB051 #51CA73

square

#516BCA #CA51A8 #CAB051 #51CA73

split-complementary

#516BCA #CA7351 #A8CA51

monochromatic

#25387B #344DAA #516BCA #8093D8 #AFBBE7

Accessibility & contrast

On white

4.88

#516BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#516BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BCA

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BCA	#FFFFFF	#000000	##FFFFFF
##516BCA	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D77CE

Deuteranopia (green-blind)

#296CC8

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516bca;
/* rgb */ color: rgb(81, 107, 202);
/* oklch */ color: oklch(55.6% 0.150 269.5);

Tailwind

colors: {
  custom: {
    50: '#8c95db',
    500: '#516bca',
    950: '#000000',
  },
}

SCSS

$custom: #516bca;
$custom-light: #8c95db;
$custom-dark: #000000;

JSON

{
  "hex": "#516bca",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 202
  },
  "hsl": {
    "h": 227.107,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.55592,
    "c": 0.14969,
    "h": 269.5
  },
  "luminance": 0.16529
}

Semantic roles & 50–950 ramp

primary

#516BCA

secondary

#D5CAA2

accent

#BD4BDD

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BCA

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

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