#518EA3#518EA3

#518EA3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.4% C 0.071 H 222.4°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#518EA3
RGB	rgb(81, 142, 163)
HSL	hsl(195, 34%, 48%)
HSV	hsv(195, 50%, 64%)
CMYK	cmyk(50.3%, 12.9%, 0%, 36.1%)
CIE-LAB	lab(55.82, -13.81, -17.21)
CIE-LCH	lch(55.82, 22.07, 231.24°)
OKLab	oklab(61.37% -0.0522 -0.0476)
OKLCH	oklch(61.37% 0.071 222.4)
XYZ	xyz(19.6747, 23.7381, 38.1883)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EA3 #A36651

analogous

#51A38F #518EA3 #5165A3

triadic

#518EA3 #A3518E #8EA351

tetradic

#518EA3 #8F51A3 #A36651 #65A351

square

#518EA3 #8F51A3 #A36651 #65A351

split-complementary

#518EA3 #A35165 #A38F51

monochromatic

#284751 #3D6A7A #518EA3 #76A9BB #9FC3CF

Accessibility & contrast

On white

3.65

#518EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#518EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EA3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EA3	#FFFFFF	#000000	##000000
##518EA3	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828BA4

Deuteranopia (green-blind)

#7682A3

Tritanopia (blue-blind)

#239595

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #518ea3;
/* rgb */ color: rgb(81, 142, 163);
/* oklch */ color: oklch(61.4% 0.071 222.4);

Tailwind

colors: {
  custom: {
    50: '#87afbe',
    500: '#518ea3',
    950: '#000000',
  },
}

SCSS

$custom: #518ea3;
$custom-light: #87afbe;
$custom-dark: #000000;

JSON

{
  "hex": "#518ea3",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 163
  },
  "hsl": {
    "h": 195.366,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61367,
    "c": 0.07067,
    "h": 222.4
  },
  "luminance": 0.2374
}

Semantic roles & 50–950 ramp

primary

#518EA3

secondary

#BC9E93

accent

#7A5ECA

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #518EA3

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

Preview Lab → · Contrast checker → · Palette generator →