#517DAF#517DAF

#517DAF is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.092 H 252.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#517DAF
RGB	rgb(81, 125, 175)
HSL	hsl(212, 37%, 50%)
HSV	hsv(212, 54%, 69%)
CMYK	cmyk(53.7%, 28.6%, 0%, 31.4%)
CIE-LAB	lab(51.28, -0.43, -31.12)
CIE-LCH	lch(51.28, 31.13, 269.21°)
OKLab	oklab(57.93% -0.0275 -0.0874)
OKLCH	oklch(57.93% 0.092 252.5)
XYZ	xyz(18.4621, 19.5103, 43.3421)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DAF #AF8351

analogous

#51ACAF #517DAF #5451AF

triadic

#517DAF #AF517D #7DAF51

tetradic

#517DAF #AF51AC #AF8351 #51AF54

square

#517DAF #AF51AC #AF8351 #51AF54

split-complementary

#517DAF #AF5451 #ACAF51

monochromatic

#2A415C #3D5F85 #517DAF #7B9CC2 #A5BCD6

Accessibility & contrast

On white

4.28

#517DAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#517DAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DAF

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DAF	#FFFFFF	#000000	##000000
##517DAF	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697FB1

Deuteranopia (green-blind)

#5D76AE

Tritanopia (blue-blind)

#1B888E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #517daf;
/* rgb */ color: rgb(81, 125, 175);
/* oklch */ color: oklch(57.9% 0.092 252.5);

Tailwind

colors: {
  custom: {
    50: '#88a2c7',
    500: '#517daf',
    950: '#000000',
  },
}

SCSS

$custom: #517daf;
$custom-light: #88a2c7;
$custom-dark: #000000;

JSON

{
  "hex": "#517daf",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 175
  },
  "hsl": {
    "h": 211.915,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5793,
    "c": 0.09159,
    "h": 252.5
  },
  "luminance": 0.19512
}

Semantic roles & 50–950 ramp

primary

#517DAF

secondary

#C3AF99

accent

#985BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #517DAF

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

Preview Lab → · Contrast checker → · Palette generator →