#517E8A#517E8A

#517E8A is a mid, muted cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.053 H 216.4°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#517E8A
RGB	rgb(81, 126, 138)
HSL	hsl(193, 26%, 43%)
HSV	hsv(193, 41%, 54%)
CMYK	cmyk(41.3%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(50.10, -12.11, -11.37)
CIE-LCH	lch(50.10, 16.61, 223.19°)
OKLab	oklab(56.51% -0.0423 -0.0312)
OKLCH	oklch(56.51% 0.053 216.4)
XYZ	xyz(15.4400, 18.5050, 26.7980)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517E8A #8A5D51

analogous

#518A79 #517E8A #51618A

triadic

#517E8A #8A517E #7E8A51

tetradic

#517E8A #79518A #8A5D51 #618A51

square

#517E8A #79518A #8A5D51 #618A51

split-complementary

#517E8A #8A5161 #8A7951

monochromatic

#24383D #3A5B63 #517E8A #6E9DAA #95B7C1

Accessibility & contrast

On white

4.47

#517E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#517E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517E8A

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517E8A	#FFFFFF	#000000	##000000
##517E8A	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767B8B

Deuteranopia (green-blind)

#6D748A

Tritanopia (blue-blind)

#3A8382

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #517e8a;
/* rgb */ color: rgb(81, 126, 138);
/* oklch */ color: oklch(56.5% 0.053 216.4);

Tailwind

colors: {
  custom: {
    50: '#85a3ac',
    500: '#517e8a',
    950: '#000000',
  },
}

SCSS

$custom: #517e8a;
$custom-light: #85a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#517e8a",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 192.632,
    "s": 26.027,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56513,
    "c": 0.05258,
    "h": 216.4
  },
  "luminance": 0.18506
}

Semantic roles & 50–950 ramp

primary

#517E8A

secondary

#AE9189

accent

#7965C2

background

#F8FAFA

surface

#EFF3F4

border

#CACDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #517E8A

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

Preview Lab → · Contrast checker → · Palette generator →