#517FAC#517FAC

#517FAC is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.086 H 249.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#517FAC
RGB	rgb(81, 127, 172)
HSL	hsl(210, 36%, 50%)
HSV	hsv(210, 53%, 67%)
CMYK	cmyk(52.9%, 26.2%, 0%, 32.5%)
CIE-LAB	lab(51.73, -2.56, -28.69)
CIE-LCH	lch(51.73, 28.80, 264.91°)
OKLab	oklab(58.24% -0.0308 -0.0803)
OKLCH	oklch(58.24% 0.086 249)
XYZ	xyz(18.4265, 19.9052, 41.8928)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FAC #AC7E51

analogous

#51ACAB #517FAC #5152AC

triadic

#517FAC #AC517F #7FAC51

tetradic

#517FAC #AB51AC #AC7E51 #52AC51

square

#517FAC #AB51AC #AC7E51 #52AC51

split-complementary

#517FAC #AC5152 #ACAB51

monochromatic

#2A4259 #3D6082 #517FAC #7A9DC0 #A3BCD4

Accessibility & contrast

On white

4.22

#517FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#517FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FAC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FAC	#FFFFFF	#000000	##000000
##517FAC	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AE

Deuteranopia (green-blind)

#6177AB

Tritanopia (blue-blind)

#1E898E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517fac;
/* rgb */ color: rgb(81, 127, 172);
/* oklch */ color: oklch(58.2% 0.086 249.0);

Tailwind

colors: {
  custom: {
    50: '#88a4c5',
    500: '#517fac',
    950: '#000000',
  },
}

SCSS

$custom: #517fac;
$custom-light: #88a4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#517fac",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 172
  },
  "hsl": {
    "h": 209.67,
    "s": 35.968,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58241,
    "c": 0.08605,
    "h": 249
  },
  "luminance": 0.19907
}

Semantic roles & 50–950 ramp

primary

#517FAC

secondary

#C1AC98

accent

#935CCC

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #517FAC

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

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