#518BE5#518BE5

#518BE5 is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.0% C 0.149 H 258.9°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#518BE5
RGB	rgb(81, 139, 229)
HSL	hsl(216, 74%, 61%)
HSV	hsv(216, 65%, 90%)
CMYK	cmyk(64.6%, 39.3%, 0%, 10.2%)
CIE-LAB	lab(57.91, 9.13, -51.29)
CIE-LCH	lch(57.91, 52.09, 280.10°)
OKLab	oklab(63.98% -0.0286 -0.146)
OKLCH	oklch(63.98% 0.149 258.9)
XYZ	xyz(26.7638, 25.8691, 77.6963)
Luminance	0.2587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BE5 #E5AB51

analogous

#51D5E5 #518BE5 #6151E5

triadic

#518BE5 #E5518B #8BE551

tetradic

#518BE5 #E551D5 #E5AB51 #51E561

square

#518BE5 #E551D5 #E5AB51 #51E561

split-complementary

#518BE5 #E56151 #D5E551

monochromatic

#184FA3 #2068D8 #518BE5 #86AEED #BBD2F5

Accessibility & contrast

On white

3.40

#518BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#518BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BE5

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BE5	#FFFFFF	#000000	##000000
##518BE5	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6393E9

Deuteranopia (green-blind)

#4D85E3

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #518be5;
/* rgb */ color: rgb(81, 139, 229);
/* oklch */ color: oklch(64.0% 0.149 258.9);

Tailwind

colors: {
  custom: {
    50: '#90acee',
    500: '#518be5',
    950: '#000000',
  },
}

SCSS

$custom: #518be5;
$custom-light: #90acee;
$custom-dark: #000000;

JSON

{
  "hex": "#518be5",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 229
  },
  "hsl": {
    "h": 216.486,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63978,
    "c": 0.14876,
    "h": 258.9
  },
  "luminance": 0.25872
}

Semantic roles & 50–950 ramp

primary

#518BE5

secondary

#E5CFAD

accent

#880FD6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518BE5

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

Preview Lab → · Contrast checker → · Palette generator →