#518CF1#518CF1

#518CF1 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.163 H 260.4°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#518CF1
RGB	rgb(81, 140, 241)
HSL	hsl(218, 85%, 63%)
HSV	hsv(218, 66%, 95%)
CMYK	cmyk(66.4%, 41.9%, 0%, 5.5%)
CIE-LAB	lab(58.84, 12.64, -56.47)
CIE-LCH	lch(58.84, 57.87, 282.62°)
OKLab	oklab(64.91% -0.0272 -0.1612)
OKLCH	oklch(64.91% 0.163 260.4)
XYZ	xyz(28.6429, 26.8535, 86.8758)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CF1 #F1B651

analogous

#51DCF1 #518CF1 #6651F1

triadic

#518CF1 #F1518C #8CF151

tetradic

#518CF1 #F151DC #F1B651 #51F166

square

#518CF1 #F151DC #F1B651 #51F166

split-complementary

#518CF1 #F16651 #DCF151

monochromatic

#0F4EB9 #1867EC #518CF1 #8AB1F6 #C2D7FA

Accessibility & contrast

On white

3.30

#518CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#518CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CF1

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CF1	#FFFFFF	#000000	##000000
##518CF1	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F5

Deuteranopia (green-blind)

#4387EF

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518cf1;
/* rgb */ color: rgb(81, 140, 241);
/* oklch */ color: oklch(64.9% 0.163 260.4);

Tailwind

colors: {
  custom: {
    50: '#92adf6',
    500: '#518cf1',
    950: '#000000',
  },
}

SCSS

$custom: #518cf1;
$custom-light: #92adf6;
$custom-dark: #000000;

JSON

{
  "hex": "#518cf1",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 241
  },
  "hsl": {
    "h": 217.875,
    "s": 85.106,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64907,
    "c": 0.16344,
    "h": 260.4
  },
  "luminance": 0.26856
}

Semantic roles & 50–950 ramp

primary

#518CF1

secondary

#ECD6B2

accent

#9004E2

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518CF1

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

Preview Lab → · Contrast checker → · Palette generator →