#517AED#517AED

#517AED is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.0% C 0.179 H 266.4°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#517AED
RGB	rgb(81, 122, 237)
HSL	hsl(224, 81%, 62%)
HSV	hsv(224, 66%, 93%)
CMYK	cmyk(65.8%, 48.5%, 0%, 7.1%)
CIE-LAB	lab(53.79, 22.21, -62.33)
CIE-LCH	lch(53.79, 66.17, 289.61°)
OKLab	oklab(60.96% -0.0113 -0.1787)
OKLCH	oklch(60.96% 0.179 266.4)
XYZ	xyz(25.6336, 21.7804, 82.9575)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517AED #EDC451

analogous

#51C8ED #517AED #7651ED

triadic

#517AED #ED517A #7AED51

tetradic

#517AED #ED51C8 #EDC451 #51ED76

square

#517AED #ED51C8 #EDC451 #51ED76

split-complementary

#517AED #ED7651 #C8ED51

monochromatic

#123CB1 #1A50E7 #517AED #88A4F3 #C0CFF8

Accessibility & contrast

On white

3.92

#517AED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#517AED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517AED

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517AED	#FFFFFF	#000000	##000000
##517AED	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B88F1

Deuteranopia (green-blind)

#0F7AEB

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #517aed;
/* rgb */ color: rgb(81, 122, 237);
/* oklch */ color: oklch(61.0% 0.179 266.4);

Tailwind

colors: {
  custom: {
    50: '#919ff3',
    500: '#517aed',
    950: '#000000',
  },
}

SCSS

$custom: #517aed;
$custom-light: #919ff3;
$custom-dark: #000000;

JSON

{
  "hex": "#517aed",
  "rgb": {
    "r": 81,
    "g": 122,
    "b": 237
  },
  "hsl": {
    "h": 224.231,
    "s": 81.25,
    "l": 62.353
  },
  "oklch": {
    "l": 0.60959,
    "c": 0.17904,
    "h": 266.4
  },
  "luminance": 0.21783
}

Semantic roles & 50–950 ramp

primary

#517AED

secondary

#E9DAB0

accent

#A508DE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #517AED

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

Preview Lab → · Contrast checker → · Palette generator →