#516DCB#516DCB

#516DCB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.149 H 268.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#516DCB
RGB	rgb(81, 109, 203)
HSL	hsl(226, 54%, 56%)
HSV	hsv(226, 60%, 80%)
CMYK	cmyk(60.1%, 46.3%, 0%, 20.4%)
CIE-LAB	lab(48.26, 18.62, -52.02)
CIE-LCH	lch(48.26, 55.25, 289.70°)
OKLab	oklab(56.07% -0.0032 -0.1485)
OKLCH	oklch(56.07% 0.149 268.8)
XYZ	xyz(19.6378, 16.9968, 58.7342)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DCB #CBAF51

analogous

#51AACB #516DCB #7251CB

triadic

#516DCB #CB516D #6DCB51

tetradic

#516DCB #CB51AA #CBAF51 #51CB72

square

#516DCB #CB51AA #CBAF51 #51CB72

split-complementary

#516DCB #CB7251 #AACB51

monochromatic

#25397C #334FAC #516DCB #8095D9 #AFBCE7

Accessibility & contrast

On white

4.77

#516DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#516DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DCB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DCB	#FFFFFF	#000000	##FFFFFF
##516DCB	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4078CE

Deuteranopia (green-blind)

#2C6DC9

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516dcb;
/* rgb */ color: rgb(81, 109, 203);
/* oklch */ color: oklch(56.1% 0.149 268.8);

Tailwind

colors: {
  custom: {
    50: '#8c96db',
    500: '#516dcb',
    950: '#000000',
  },
}

SCSS

$custom: #516dcb;
$custom-light: #8c96db;
$custom-dark: #000000;

JSON

{
  "hex": "#516dcb",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 203
  },
  "hsl": {
    "h": 226.23,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56067,
    "c": 0.14856,
    "h": 268.8
  },
  "luminance": 0.16998
}

Semantic roles & 50–950 ramp

primary

#516DCB

secondary

#D5CAA3

accent

#BC4ADD

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516DCB

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

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