#517D8D#517D8D

#517D8D is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.054 H 222.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#517D8D
RGB	rgb(81, 125, 141)
HSL	hsl(196, 27%, 44%)
HSV	hsv(196, 43%, 55%)
CMYK	cmyk(42.6%, 11.3%, 0%, 44.7%)
CIE-LAB	lab(49.90, -10.71, -13.43)
CIE-LCH	lch(49.90, 17.17, 231.43°)
OKLab	oklab(56.39% -0.0397 -0.037)
OKLCH	oklch(56.39% 0.054 222.9)
XYZ	xyz(15.5330, 18.3386, 27.9153)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517D8D #8D6151

analogous

#518D7F #517D8D #515F8D

triadic

#517D8D #8D517D #7D8D51

tetradic

#517D8D #7F518D #8D6151 #5F8D51

square

#517D8D #7F518D #8D6151 #5F8D51

split-complementary

#517D8D #8D515F #8D7F51

monochromatic

#24383F #3B5B66 #517D8D #6F9CAC #96B7C3

Accessibility & contrast

On white

4.50

#517D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#517D8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517D8D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517D8D	#FFFFFF	#000000	##000000
##517D8D	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747B8E

Deuteranopia (green-blind)

#6B748D

Tritanopia (blue-blind)

#388282

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #517d8d;
/* rgb */ color: rgb(81, 125, 141);
/* oklch */ color: oklch(56.4% 0.054 222.9);

Tailwind

colors: {
  custom: {
    50: '#85a2ae',
    500: '#517d8d',
    950: '#000000',
  },
}

SCSS

$custom: #517d8d;
$custom-light: #85a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#517d8d",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 141
  },
  "hsl": {
    "h": 196,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5639,
    "c": 0.05428,
    "h": 222.9
  },
  "luminance": 0.1834
}

Semantic roles & 50–950 ramp

primary

#517D8D

secondary

#AF948A

accent

#7E64C3

background

#F8FAFA

surface

#EFF3F4

border

#CACDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #517D8D

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

Preview Lab → · Contrast checker → · Palette generator →