#517FA8#517FA8

#517FA8 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.0% C 0.081 H 246.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#517FA8
RGB	rgb(81, 127, 168)
HSL	hsl(208, 35%, 49%)
HSV	hsv(208, 52%, 66%)
CMYK	cmyk(51.8%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(51.56, -3.81, -26.64)
CIE-LCH	lch(51.56, 26.91, 261.86°)
OKLab	oklab(58.05% -0.0322 -0.0744)
OKLCH	oklch(58.05% 0.081 246.6)
XYZ	xyz(18.0481, 19.7538, 39.9000)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FA8 #A87A51

analogous

#51A8A6 #517FA8 #5154A8

triadic

#517FA8 #A8517F #7FA851

tetradic

#517FA8 #A651A8 #A87A51 #54A851

square

#517FA8 #A651A8 #A87A51 #54A851

split-complementary

#517FA8 #A85154 #A8A651

monochromatic

#294155 #3D607F #517FA8 #789DBE #A1BBD2

Accessibility & contrast

On white

4.24

#517FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#517FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FA8

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FA8	#FFFFFF	#000000	##000000
##517FA8	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)

#6E80AA

Deuteranopia (green-blind)

#6377A7

Tritanopia (blue-blind)

#23898D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517fa8;
/* rgb */ color: rgb(81, 127, 168);
/* oklch */ color: oklch(58.0% 0.081 246.6);

Tailwind

colors: {
  custom: {
    50: '#87a4c2',
    500: '#517fa8',
    950: '#000000',
  },
}

SCSS

$custom: #517fa8;
$custom-light: #87a4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#517fa8",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 208.276,
    "s": 34.94,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58048,
    "c": 0.0811,
    "h": 246.6
  },
  "luminance": 0.19755
}

Semantic roles & 50–950 ramp

primary

#517FA8

secondary

#BFA996

accent

#915DCB

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #517FA8

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

Preview Lab → · Contrast checker → · Palette generator →