#517EAF#517EAF

#517EAF is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.091 H 251.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#517EAF
RGB	rgb(81, 126, 175)
HSL	hsl(211, 37%, 50%)
HSV	hsv(211, 54%, 69%)
CMYK	cmyk(53.7%, 28%, 0%, 31.4%)
CIE-LAB	lab(51.57, -1.02, -30.67)
CIE-LCH	lch(51.57, 30.69, 268.10°)
OKLab	oklab(58.16% -0.0287 -0.086)
OKLCH	oklch(58.16% 0.091 251.6)
XYZ	xyz(18.5893, 19.7647, 43.3845)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EAF #AF8251

analogous

#51ADAF #517EAF #5351AF

triadic

#517EAF #AF517E #7EAF51

tetradic

#517EAF #AF51AD #AF8251 #51AF53

square

#517EAF #AF51AD #AF8251 #51AF53

split-complementary

#517EAF #AF5351 #ADAF51

monochromatic

#2A425C #3D6085 #517EAF #7B9DC2 #A5BCD6

Accessibility & contrast

On white

4.24

#517EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#517EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EAF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EAF	#FFFFFF	#000000	##000000
##517EAF	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B1

Deuteranopia (green-blind)

#5E77AE

Tritanopia (blue-blind)

#1B898F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517eaf;
/* rgb */ color: rgb(81, 126, 175);
/* oklch */ color: oklch(58.2% 0.091 251.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#517eaf",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 211.277,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58159,
    "c": 0.0907,
    "h": 251.6
  },
  "luminance": 0.19766
}

Semantic roles & 50–950 ramp

primary

#517EAF

secondary

#C3AF99

accent

#965BCD

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #517EAF

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

Preview Lab → · Contrast checker → · Palette generator →