#517CED#517CED

#517CED is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.4% C 0.177 H 265.8°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#517CED
RGB	rgb(81, 124, 237)
HSL	hsl(223, 81%, 62%)
HSV	hsv(223, 66%, 93%)
CMYK	cmyk(65.8%, 47.7%, 0%, 7.1%)
CIE-LAB	lab(54.32, 20.98, -61.49)
CIE-LCH	lch(54.32, 64.97, 288.84°)
OKLab	oklab(61.36% -0.0131 -0.1762)
OKLCH	oklch(61.36% 0.177 265.8)
XYZ	xyz(25.8817, 22.2766, 83.0402)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CED #EDC251

analogous

#51CAED #517CED #7451ED

triadic

#517CED #ED517C #7CED51

tetradic

#517CED #ED51CA #EDC251 #51ED74

square

#517CED #ED51CA #EDC251 #51ED74

split-complementary

#517CED #ED7451 #CAED51

monochromatic

#123EB1 #1A52E7 #517CED #88A6F3 #C0D0F8

Accessibility & contrast

On white

3.85

#517CED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#517CED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CED

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CED	#FFFFFF	#000000	##000000
##517CED	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4089F1

Deuteranopia (green-blind)

#1A7BEB

Tritanopia (blue-blind)

#0096A9

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #517ced;
/* rgb */ color: rgb(81, 124, 237);
/* oklch */ color: oklch(61.4% 0.177 265.8);

Tailwind

colors: {
  custom: {
    50: '#91a1f3',
    500: '#517ced',
    950: '#000000',
  },
}

SCSS

$custom: #517ced;
$custom-light: #91a1f3;
$custom-dark: #000000;

JSON

{
  "hex": "#517ced",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 237
  },
  "hsl": {
    "h": 223.462,
    "s": 81.25,
    "l": 62.353
  },
  "oklch": {
    "l": 0.6136,
    "c": 0.17665,
    "h": 265.8
  },
  "luminance": 0.22279
}

Semantic roles & 50–950 ramp

primary

#517CED

secondary

#E9DAB0

accent

#A308DE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #517CED

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

Preview Lab → · Contrast checker → · Palette generator →