#516ADB#516ADB

#516ADB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.6% C 0.174 H 270.5°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#516ADB
RGB	rgb(81, 106, 219)
HSL	hsl(229, 66%, 59%)
HSV	hsv(229, 63%, 86%)
CMYK	cmyk(63%, 51.6%, 0%, 14.1%)
CIE-LAB	lab(48.47, 25.94, -60.79)
CIE-LCH	lch(48.47, 66.09, 293.11°)
OKLab	oklab(56.56% 0.0016 -0.1743)
OKLCH	oklch(56.56% 0.174 270.5)
XYZ	xyz(21.3292, 17.1700, 69.1942)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ADB #DBC251

analogous

#51AFDB #516ADB #7D51DB

triadic

#516ADB #DB516A #6ADB51

tetradic

#516ADB #DB51AF #DBC251 #51DB7D

square

#516ADB #DB51AF #DBC251 #51DB7D

split-complementary

#516ADB #DB7D51 #AFDB51

monochromatic

#1E3493 #2945C6 #516ADB #8495E5 #B6C1F0

Accessibility & contrast

On white

4.74

#516ADB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#516ADB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ADB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ADB	#FFFFFF	#000000	##FFFFFF
##516ADB	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#267ADF

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#008498

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516adb;
/* rgb */ color: rgb(81, 106, 219);
/* oklch */ color: oklch(56.6% 0.174 270.5);

Tailwind

colors: {
  custom: {
    50: '#8f94e7',
    500: '#516adb',
    950: '#000000',
  },
}

SCSS

$custom: #516adb;
$custom-light: #8f94e7;
$custom-dark: #000000;

JSON

{
  "hex": "#516adb",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 219
  },
  "hsl": {
    "h": 229.13,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.56555,
    "c": 0.17436,
    "h": 270.5
  },
  "luminance": 0.17172
}

Semantic roles & 50–950 ramp

primary

#516ADB

secondary

#DFD5A9

accent

#CA3FE9

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516ADB

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

Preview Lab → · Contrast checker → · Palette generator →