#516FE0#516FE0

#516FE0 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.9% C 0.175 H 269.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#516FE0
RGB	rgb(81, 111, 224)
HSL	hsl(227, 70%, 60%)
HSV	hsv(227, 64%, 88%)
CMYK	cmyk(63.8%, 50.4%, 0%, 12.2%)
CIE-LAB	lab(50.09, 24.54, -61.00)
CIE-LCH	lch(50.09, 65.75, 291.91°)
OKLab	oklab(57.89% -0.0026 -0.1749)
OKLCH	oklch(57.89% 0.175 269.1)
XYZ	xyz(22.5277, 18.4980, 72.8898)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FE0 #E0C251

analogous

#51B6E0 #516FE0 #7B51E0

triadic

#516FE0 #E0516F #6FE051

tetradic

#516FE0 #E051B6 #E0C251 #51E07B

square

#516FE0 #E051B6 #E0C251 #51E07B

split-complementary

#516FE0 #E07B51 #B6E051

monochromatic

#1C369B #2549CF #516FE0 #859AE9 #B9C5F3

Accessibility & contrast

On white

4.47

#516FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#516FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FE0

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FE0	#FFFFFF	#000000	##000000
##516FE0	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7EE4

Deuteranopia (green-blind)

#0071DE

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #516fe0;
/* rgb */ color: rgb(81, 111, 224);
/* oklch */ color: oklch(57.9% 0.175 269.1);

Tailwind

colors: {
  custom: {
    50: '#9097ea',
    500: '#516fe0',
    950: '#000000',
  },
}

SCSS

$custom: #516fe0;
$custom-light: #9097ea;
$custom-dark: #000000;

JSON

{
  "hex": "#516fe0",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 224
  },
  "hsl": {
    "h": 227.413,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57886,
    "c": 0.17493,
    "h": 269.1
  },
  "luminance": 0.185
}

Semantic roles & 50–950 ramp

primary

#516FE0

secondary

#E2D6AB

accent

#C73BED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516FE0

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

Preview Lab → · Contrast checker → · Palette generator →