#516ECD#516ECD

#516ECD is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.4% C 0.150 H 268.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#516ECD
RGB	rgb(81, 110, 205)
HSL	hsl(226, 55%, 56%)
HSV	hsv(226, 60%, 80%)
CMYK	cmyk(60.5%, 46.3%, 0%, 19.6%)
CIE-LAB	lab(48.64, 18.68, -52.54)
CIE-LCH	lch(48.64, 55.76, 289.57°)
OKLab	oklab(56.4% -0.0039 -0.15)
OKLCH	oklch(56.4% 0.15 268.5)
XYZ	xyz(19.9850, 17.3073, 60.0332)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ECD #CDB051

analogous

#51ACCD #516ECD #7251CD

triadic

#516ECD #CD516E #6ECD51

tetradic

#516ECD #CD51AC #CDB051 #51CD72

square

#516ECD #CD51AC #CDB051 #51CD72

split-complementary

#516ECD #CD7251 #ACCD51

monochromatic

#253A7F #324FAF #516ECD #8196DB #B0BDE8

Accessibility & contrast

On white

4.71

#516ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#516ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ECD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ECD	#FFFFFF	#000000	##FFFFFF
##516ECD	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4079D1

Deuteranopia (green-blind)

#2C6ECB

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516ecd;
/* rgb */ color: rgb(81, 110, 205);
/* oklch */ color: oklch(56.4% 0.150 268.5);

Tailwind

colors: {
  custom: {
    50: '#8c97dd',
    500: '#516ecd',
    950: '#000000',
  },
}

SCSS

$custom: #516ecd;
$custom-light: #8c97dd;
$custom-dark: #000000;

JSON

{
  "hex": "#516ecd",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 205
  },
  "hsl": {
    "h": 225.968,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.56403,
    "c": 0.15009,
    "h": 268.5
  },
  "luminance": 0.17309
}

Semantic roles & 50–950 ramp

primary

#516ECD

secondary

#D7CBA3

accent

#BC49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ECD

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

Preview Lab → · Contrast checker → · Palette generator →