#517EA3#517EA3

#517EA3 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.076 H 244.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#517EA3
RGB	rgb(81, 126, 163)
HSL	hsl(207, 34%, 48%)
HSV	hsv(207, 50%, 64%)
CMYK	cmyk(50.3%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(51.05, -4.77, -24.52)
CIE-LCH	lch(51.05, 24.98, 258.98°)
OKLab	oklab(57.58% -0.0327 -0.0684)
OKLCH	oklch(57.58% 0.076 244.5)
XYZ	xyz(17.4627, 19.3141, 37.4510)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EA3 #A37651

analogous

#51A39F #517EA3 #5155A3

triadic

#517EA3 #A3517E #7EA351

tetradic

#517EA3 #9F51A3 #A37651 #55A351

square

#517EA3 #9F51A3 #A37651 #55A351

split-complementary

#517EA3 #A35155 #A39F51

monochromatic

#283F51 #3D5E7A #517EA3 #769CBB #9FBACF

Accessibility & contrast

On white

4.32

#517EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#517EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EA3

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EA3	#FFFFFF	#000000	##000000
##517EA3	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA5

Deuteranopia (green-blind)

#6476A2

Tritanopia (blue-blind)

#29878A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #517ea3;
/* rgb */ color: rgb(81, 126, 163);
/* oklch */ color: oklch(57.6% 0.076 244.5);

Tailwind

colors: {
  custom: {
    50: '#87a3be',
    500: '#517ea3',
    950: '#000000',
  },
}

SCSS

$custom: #517ea3;
$custom-light: #87a3be;
$custom-dark: #000000;

JSON

{
  "hex": "#517ea3",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 207.073,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57581,
    "c": 0.07577,
    "h": 244.5
  },
  "luminance": 0.19315
}

Semantic roles & 50–950 ramp

primary

#517EA3

secondary

#BCA693

accent

#8F5ECA

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #517EA3

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

Preview Lab → · Contrast checker → · Palette generator →