#516BC5#516BC5

#516BC5 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.143 H 269.2°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#516BC5
RGB	rgb(81, 107, 197)
HSL	hsl(227, 50%, 55%)
HSV	hsv(227, 59%, 77%)
CMYK	cmyk(58.9%, 45.7%, 0%, 22.7%)
CIE-LAB	lab(47.36, 17.84, -50.01)
CIE-LCH	lch(47.36, 53.10, 289.63°)
OKLab	oklab(55.27% -0.002 -0.1426)
OKLCH	oklch(55.27% 0.143 269.2)
XYZ	xyz(18.7257, 16.2944, 54.9708)
Luminance	0.1630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BC5 #C5AB51

analogous

#51A5C5 #516BC5 #7151C5

triadic

#516BC5 #C5516B #6BC551

tetradic

#516BC5 #C551A5 #C5AB51 #51C571

square

#516BC5 #C551A5 #C5AB51 #51C571

split-complementary

#516BC5 #C57151 #A5C551

monochromatic

#273875 #364EA3 #516BC5 #7F92D4 #ADB9E4

Accessibility & contrast

On white

4.93

#516BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#516BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BC5

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BC5	#FFFFFF	#000000	##FFFFFF
##516BC5	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4176C8

Deuteranopia (green-blind)

#306BC3

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516bc5;
/* rgb */ color: rgb(81, 107, 197);
/* oklch */ color: oklch(55.3% 0.143 269.2);

Tailwind

colors: {
  custom: {
    50: '#8b95d7',
    500: '#516bc5',
    950: '#000000',
  },
}

SCSS

$custom: #516bc5;
$custom-light: #8b95d7;
$custom-dark: #000000;

JSON

{
  "hex": "#516bc5",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 197
  },
  "hsl": {
    "h": 226.552,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.55266,
    "c": 0.14266,
    "h": 269.2
  },
  "luminance": 0.16296
}

Semantic roles & 50–950 ramp

primary

#516BC5

secondary

#D1C6A0

accent

#BA4EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516BC5

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

Preview Lab → · Contrast checker → · Palette generator →