#518EA5#518EA5

#518EA5 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.072 H 224.5°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#518EA5
RGB	rgb(81, 142, 165)
HSL	hsl(196, 34%, 48%)
HSV	hsv(196, 51%, 65%)
CMYK	cmyk(50.9%, 13.9%, 0%, 35.3%)
CIE-LAB	lab(55.90, -13.23, -18.24)
CIE-LCH	lch(55.90, 22.53, 234.06°)
OKLab	oklab(61.45% -0.0514 -0.0505)
OKLCH	oklch(61.45% 0.072 224.5)
XYZ	xyz(19.8553, 23.8103, 39.1395)
Luminance	0.2381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EA5 #A56851

analogous

#51A592 #518EA5 #5164A5

triadic

#518EA5 #A5518E #8EA551

tetradic

#518EA5 #9251A5 #A56851 #64A551

square

#518EA5 #9251A5 #A56851 #64A551

split-complementary

#518EA5 #A55164 #A59251

monochromatic

#294753 #3D6B7C #518EA5 #77A9BC #A0C3D0

Accessibility & contrast

On white

3.64

#518EA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#518EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EA5

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EA5	#FFFFFF	#000000	##000000
##518EA5	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA6

Deuteranopia (green-blind)

#7582A5

Tritanopia (blue-blind)

#219595

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #518ea5;
/* rgb */ color: rgb(81, 142, 165);
/* oklch */ color: oklch(61.4% 0.072 224.5);

Tailwind

colors: {
  custom: {
    50: '#88afbf',
    500: '#518ea5',
    950: '#000000',
  },
}

SCSS

$custom: #518ea5;
$custom-light: #88afbf;
$custom-dark: #000000;

JSON

{
  "hex": "#518ea5",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 165
  },
  "hsl": {
    "h": 196.429,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.61449,
    "c": 0.07211,
    "h": 224.5
  },
  "luminance": 0.23812
}

Semantic roles & 50–950 ramp

primary

#518EA5

secondary

#BDA094

accent

#7B5ECA

background

#F8FAFB

surface

#F0F4F7

border

#CBCED0

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #518EA5

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

Preview Lab → · Contrast checker → · Palette generator →