#517FAF#517FAF

#517FAF is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.090 H 250.6°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#517FAF
RGB	rgb(81, 127, 175)
HSL	hsl(211, 37%, 50%)
HSV	hsv(211, 54%, 69%)
CMYK	cmyk(53.7%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(51.86, -1.61, -30.22)
CIE-LCH	lch(51.86, 30.26, 266.95°)
OKLab	oklab(58.39% -0.0299 -0.0847)
OKLCH	oklch(58.39% 0.09 250.6)
XYZ	xyz(18.7179, 20.0217, 43.4273)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FAF #AF8151

analogous

#51AEAF #517FAF #5251AF

triadic

#517FAF #AF517F #7FAF51

tetradic

#517FAF #AF51AE #AF8151 #51AF52

square

#517FAF #AF51AE #AF8151 #51AF52

split-complementary

#517FAF #AF5251 #AEAF51

monochromatic

#2A425C #3D6185 #517FAF #7B9EC2 #A5BDD6

Accessibility & contrast

On white

4.20

#517FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#517FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FAF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FAF	#FFFFFF	#000000	##000000
##517FAF	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B81B1

Deuteranopia (green-blind)

#5F77AE

Tritanopia (blue-blind)

#1A8A90

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #517faf;
/* rgb */ color: rgb(81, 127, 175);
/* oklch */ color: oklch(58.4% 0.090 250.6);

Tailwind

colors: {
  custom: {
    50: '#88a3c7',
    500: '#517faf',
    950: '#000000',
  },
}

SCSS

$custom: #517faf;
$custom-light: #88a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#517faf",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 210.638,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58388,
    "c": 0.08985,
    "h": 250.6
  },
  "luminance": 0.20023
}

Semantic roles & 50–950 ramp

primary

#517FAF

secondary

#C3AE99

accent

#955BCD

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #517FAF

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

Preview Lab → · Contrast checker → · Palette generator →