#517BEC#517BEC

#517BEC is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.177 H 266.0°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#517BEC
RGB	rgb(81, 123, 236)
HSL	hsl(224, 80%, 62%)
HSV	hsv(224, 66%, 93%)
CMYK	cmyk(65.7%, 47.9%, 0%, 7.5%)
CIE-LAB	lab(53.99, 21.25, -61.45)
CIE-LCH	lch(53.99, 65.02, 289.08°)
OKLab	oklab(61.09% -0.0123 -0.1761)
OKLCH	oklch(61.09% 0.177 266)
XYZ	xyz(25.6114, 21.9689, 82.2313)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517BEC #ECC251

analogous

#51C9EC #517BEC #7551EC

triadic

#517BEC #EC517B #7BEC51

tetradic

#517BEC #EC51C9 #ECC251 #51EC75

square

#517BEC #EC51C9 #ECC251 #51EC75

split-complementary

#517BEC #EC7551 #C9EC51

monochromatic

#133EAF #1A51E6 #517BEC #88A5F2 #BFCFF8

Accessibility & contrast

On white

3.89

#517BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#517BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517BEC

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517BEC	#FFFFFF	#000000	##000000
##517BEC	1.00	3.89	5.39	5.39
#FFFFFF	3.89	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)

#3F89F0

Deuteranopia (green-blind)

#197AEA

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #517bec;
/* rgb */ color: rgb(81, 123, 236);
/* oklch */ color: oklch(61.1% 0.177 266.0);

Tailwind

colors: {
  custom: {
    50: '#91a0f3',
    500: '#517bec',
    950: '#000000',
  },
}

SCSS

$custom: #517bec;
$custom-light: #91a0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#517bec",
  "rgb": {
    "r": 81,
    "g": 123,
    "b": 236
  },
  "hsl": {
    "h": 223.742,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61092,
    "c": 0.17651,
    "h": 266
  },
  "luminance": 0.21971
}

Semantic roles & 50–950 ramp

primary

#517BEC

secondary

#E9D9B0

accent

#A309DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #517BEC

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

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