#517ADD#517ADD

#517ADD is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.9% C 0.157 H 265.1°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#517ADD
RGB	rgb(81, 122, 221)
HSL	hsl(222, 67%, 59%)
HSV	hsv(222, 63%, 87%)
CMYK	cmyk(63.3%, 44.8%, 0%, 13.3%)
CIE-LAB	lab(52.83, 16.71, -54.92)
CIE-LCH	lch(52.83, 57.41, 286.92°)
OKLab	oklab(59.91% -0.0135 -0.1569)
OKLCH	oklch(59.91% 0.157 265.1)
XYZ	xyz(23.3995, 20.8867, 71.1910)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517ADD #DDB451

analogous

#51C0DD #517ADD #6E51DD

triadic

#517ADD #DD517A #7ADD51

tetradic

#517ADD #DD51C0 #DDB451 #51DD6E

square

#517ADD #DD51C0 #DDB451 #51DD6E

split-complementary

#517ADD #DD6E51 #C0DD51

monochromatic

#1D4196 #2757C9 #517ADD #84A1E7 #B7C8F1

Accessibility & contrast

On white

4.06

#517ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#517ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517ADD

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517ADD	#FFFFFF	#000000	##000000
##517ADD	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A85E1

Deuteranopia (green-blind)

#3378DB

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #517add;
/* rgb */ color: rgb(81, 122, 221);
/* oklch */ color: oklch(59.9% 0.157 265.1);

Tailwind

colors: {
  custom: {
    50: '#8f9fe8',
    500: '#517add',
    950: '#000000',
  },
}

SCSS

$custom: #517add;
$custom-light: #8f9fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#517add",
  "rgb": {
    "r": 81,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 222.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.59908,
    "c": 0.15747,
    "h": 265.1
  },
  "luminance": 0.20889
}

Semantic roles & 50–950 ramp

primary

#517ADD

secondary

#E0D0AA

accent

#B83EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #517ADD

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

Preview Lab → · Contrast checker → · Palette generator →