#518ADA#518ADA

#518ADA is a light, vivid blue. Relative luminance 0.250; OKLCH L 63.1% C 0.135 H 257.1°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#518ADA
RGB	rgb(81, 138, 218)
HSL	hsl(215, 65%, 59%)
HSV	hsv(215, 63%, 85%)
CMYK	cmyk(62.8%, 36.7%, 0%, 14.5%)
CIE-LAB	lab(57.06, 6.00, -46.49)
CIE-LCH	lch(57.06, 46.88, 277.36°)
OKLab	oklab(63.13% -0.0301 -0.132)
OKLCH	oklch(63.13% 0.135 257.1)
XYZ	xyz(25.1322, 24.9859, 69.8144)
Luminance	0.2499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ADA #DAA151

analogous

#51CFDA #518ADA #5C51DA

triadic

#518ADA #DA518A #8ADA51

tetradic

#518ADA #DA51CF #DAA151 #51DA5C

square

#518ADA #DA51CF #DAA151 #51DA5C

split-complementary

#518ADA #DA5C51 #CFDA51

monochromatic

#1F4F92 #2A6AC4 #518ADA #83ACE5 #B6CEEF

Accessibility & contrast

On white

3.50

#518ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#518ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ADA

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ADA	#FFFFFF	#000000	##000000
##518ADA	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6790DD

Deuteranopia (green-blind)

#5483D8

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518ada;
/* rgb */ color: rgb(81, 138, 218);
/* oklch */ color: oklch(63.1% 0.135 257.1);

Tailwind

colors: {
  custom: {
    50: '#8eabe6',
    500: '#518ada',
    950: '#000000',
  },
}

SCSS

$custom: #518ada;
$custom-light: #8eabe6;
$custom-dark: #000000;

JSON

{
  "hex": "#518ada",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 218
  },
  "hsl": {
    "h": 215.036,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.6313,
    "c": 0.13536,
    "h": 257.1
  },
  "luminance": 0.24988
}

Semantic roles & 50–950 ramp

primary

#518ADA

secondary

#DEC8A8

accent

#A240E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518ADA

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

Preview Lab → · Contrast checker → · Palette generator →