#518EBB#518EBB

#518EBB is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.093 H 242.3°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#518EBB
RGB	rgb(81, 142, 187)
HSL	hsl(205, 44%, 53%)
HSV	hsv(205, 57%, 73%)
CMYK	cmyk(56.7%, 24.1%, 0%, 26.7%)
CIE-LAB	lab(56.76, -6.49, -29.47)
CIE-LCH	lch(56.76, 30.17, 257.58°)
OKLab	oklab(62.42% -0.0434 -0.0825)
OKLCH	oklch(62.42% 0.093 242.3)
XYZ	xyz(22.0327, 24.6813, 50.6069)
Luminance	0.2468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EBB #BB7E51

analogous

#51BBB3 #518EBB #5159BB

triadic

#518EBB #BB518E #8EBB51

tetradic

#518EBB #B351BB #BB7E51 #59BB51

square

#518EBB #B351BB #BB7E51 #59BB51

split-complementary

#518EBB #BB5159 #BBB351

monochromatic

#294E69 #3A6E95 #518EBB #7DABCC #A9C7DD

Accessibility & contrast

On white

3.54

#518EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#518EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EBB

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EBB	#FFFFFF	#000000	##000000
##518EBB	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBD

Deuteranopia (green-blind)

#6C83BA

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #518ebb;
/* rgb */ color: rgb(81, 142, 187);
/* oklch */ color: oklch(62.4% 0.093 242.3);

Tailwind

colors: {
  custom: {
    50: '#8aafcf',
    500: '#518ebb',
    950: '#000000',
  },
}

SCSS

$custom: #518ebb;
$custom-light: #8aafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#518ebb",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 205.472,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62423,
    "c": 0.09323,
    "h": 242.3
  },
  "luminance": 0.24683
}

Semantic roles & 50–950 ramp

primary

#518EBB

secondary

#CBB09D

accent

#8A54D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #518EBB

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

Preview Lab → · Contrast checker → · Palette generator →