#517EDE#517EDE

#517EDE is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.154 H 263.6°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#517EDE
RGB	rgb(81, 126, 222)
HSL	hsl(221, 68%, 59%)
HSV	hsv(221, 64%, 87%)
CMYK	cmyk(63.5%, 43.2%, 0%, 12.9%)
CIE-LAB	lab(53.97, 14.60, -53.66)
CIE-LCH	lch(53.97, 55.61, 285.22°)
OKLab	oklab(60.8% -0.0173 -0.1531)
OKLCH	oklch(60.8% 0.154 263.6)
XYZ	xyz(24.0344, 21.9427, 72.0619)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EDE #DEB151

analogous

#51C5DE #517EDE #6B51DE

triadic

#517EDE #DE517E #7EDE51

tetradic

#517EDE #DE51C5 #DEB151 #51DE6B

square

#517EDE #DE51C5 #DEB151 #51DE6B

split-complementary

#517EDE #DE6B51 #C5DE51

monochromatic

#1D4498 #275BCB #517EDE #84A4E8 #B8CAF2

Accessibility & contrast

On white

3.90

#517EDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#517EDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EDE

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EDE	#FFFFFF	#000000	##000000
##517EDE	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5188E2

Deuteranopia (green-blind)

#3B7BDC

Tritanopia (blue-blind)

#0094A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #517ede;
/* rgb */ color: rgb(81, 126, 222);
/* oklch */ color: oklch(60.8% 0.154 263.6);

Tailwind

colors: {
  custom: {
    50: '#8fa2e9',
    500: '#517ede',
    950: '#000000',
  },
}

SCSS

$custom: #517ede;
$custom-light: #8fa2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#517ede",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 222
  },
  "hsl": {
    "h": 220.851,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60803,
    "c": 0.1541,
    "h": 263.6
  },
  "luminance": 0.21945
}

Semantic roles & 50–950 ramp

primary

#517EDE

secondary

#E1CFAA

accent

#B33DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #517EDE

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

Preview Lab → · Contrast checker → · Palette generator →