#517CA3#517CA3

#517CA3 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.077 H 247.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#517CA3
RGB	rgb(81, 124, 163)
HSL	hsl(209, 34%, 48%)
HSV	hsv(209, 50%, 64%)
CMYK	cmyk(50.3%, 23.9%, 0%, 36.1%)
CIE-LAB	lab(50.46, -3.61, -25.44)
CIE-LCH	lch(50.46, 25.69, 261.93°)
OKLab	oklab(57.12% -0.0302 -0.071)
OKLCH	oklch(57.12% 0.077 247)
XYZ	xyz(17.2095, 18.8077, 37.3666)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CA3 #A37851

analogous

#51A3A1 #517CA3 #5153A3

triadic

#517CA3 #A3517C #7CA351

tetradic

#517CA3 #A151A3 #A37851 #53A351

square

#517CA3 #A151A3 #A37851 #53A351

split-complementary

#517CA3 #A35153 #A3A151

monochromatic

#283E51 #3D5D7A #517CA3 #769ABB #9FB8CF

Accessibility & contrast

On white

4.41

#517CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#517CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CA3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CA3	#FFFFFF	#000000	##000000
##517CA3	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA5

Deuteranopia (green-blind)

#6174A2

Tritanopia (blue-blind)

#298589

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #517ca3;
/* rgb */ color: rgb(81, 124, 163);
/* oklch */ color: oklch(57.1% 0.077 247.0);

Tailwind

colors: {
  custom: {
    50: '#87a1be',
    500: '#517ca3',
    950: '#000000',
  },
}

SCSS

$custom: #517ca3;
$custom-light: #87a1be;
$custom-dark: #000000;

JSON

{
  "hex": "#517ca3",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 163
  },
  "hsl": {
    "h": 208.537,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57115,
    "c": 0.07715,
    "h": 247
  },
  "luminance": 0.18809
}

Semantic roles & 50–950 ramp

primary

#517CA3

secondary

#BCA793

accent

#915ECA

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #517CA3

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

Preview Lab → · Contrast checker → · Palette generator →