#517E99#517E99

#517E99 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.065 H 235.9°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#517E99
RGB	rgb(81, 126, 153)
HSL	hsl(203, 31%, 46%)
HSV	hsv(203, 47%, 60%)
CMYK	cmyk(47.1%, 17.6%, 0%, 40%)
CIE-LAB	lab(50.65, -7.80, -19.31)
CIE-LCH	lch(50.65, 20.83, 248.02°)
OKLab	oklab(57.13% -0.0363 -0.0535)
OKLCH	oklch(57.13% 0.065 235.9)
XYZ	xyz(16.6019, 18.9698, 32.9175)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517E99 #996C51

analogous

#519990 #517E99 #515A99

triadic

#517E99 #99517E #7E9951

tetradic

#517E99 #905199 #996C51 #5A9951

square

#517E99 #905199 #996C51 #5A9951

split-complementary

#517E99 #99515A #999051

monochromatic

#273C49 #3C5D71 #517E99 #739CB5 #9BB8CA

Accessibility & contrast

On white

4.38

#517E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#517E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517E99

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517E99	#FFFFFF	#000000	##000000
##517E99	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727D9A

Deuteranopia (green-blind)

#687599

Tritanopia (blue-blind)

#318587

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #517e99;
/* rgb */ color: rgb(81, 126, 153);
/* oklch */ color: oklch(57.1% 0.065 235.9);

Tailwind

colors: {
  custom: {
    50: '#86a3b7',
    500: '#517e99',
    950: '#000000',
  },
}

SCSS

$custom: #517e99;
$custom-light: #86a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#517e99",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 202.5,
    "s": 30.769,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57131,
    "c": 0.06469,
    "h": 235.9
  },
  "luminance": 0.18971
}

Semantic roles & 50–950 ramp

primary

#517E99

secondary

#B79E8F

accent

#8761C7

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0B0F11

muted

#7C7F80

Preview Lab

Preview with #517E99

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

Preview Lab → · Contrast checker → · Palette generator →