#518DB2#518DB2

#518DB2 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.8% C 0.084 H 237.3°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#518DB2
RGB	rgb(81, 141, 178)
HSL	hsl(203, 39%, 51%)
HSV	hsv(203, 54%, 70%)
CMYK	cmyk(54.5%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(56.10, -8.74, -25.37)
CIE-LCH	lch(56.10, 26.83, 251.00°)
OKLab	oklab(61.78% -0.0454 -0.0708)
OKLCH	oklch(61.78% 0.084 237.3)
XYZ	xyz(20.9511, 24.0116, 45.6415)
Luminance	0.2401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DB2 #B27651

analogous

#51B2A6 #518DB2 #515CB2

triadic

#518DB2 #B2518D #8DB251

tetradic

#518DB2 #A651B2 #B27651 #5CB251

square

#518DB2 #A651B2 #B27651 #5CB251

split-complementary

#518DB2 #B2515C #B2A651

monochromatic

#2A4B5F #3D6C89 #518DB2 #7BA9C5 #A6C5D8

Accessibility & contrast

On white

3.62

#518DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#518DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DB2

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DB2	#FFFFFF	#000000	##000000
##518DB2	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB4

Deuteranopia (green-blind)

#6F82B1

Tritanopia (blue-blind)

#0B9699

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #518db2;
/* rgb */ color: rgb(81, 141, 178);
/* oklch */ color: oklch(61.8% 0.084 237.3);

Tailwind

colors: {
  custom: {
    50: '#89aec9',
    500: '#518db2',
    950: '#000000',
  },
}

SCSS

$custom: #518db2;
$custom-light: #89aec9;
$custom-dark: #000000;

JSON

{
  "hex": "#518db2",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 202.887,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.61775,
    "c": 0.08406,
    "h": 237.3
  },
  "luminance": 0.24013
}

Semantic roles & 50–950 ramp

primary

#518DB2

secondary

#C5AA9A

accent

#8659CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #518DB2

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

Preview Lab → · Contrast checker → · Palette generator →