#517FBF#517FBF

#517FBF is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.2% C 0.111 H 256.9°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#517FBF
RGB	rgb(81, 127, 191)
HSL	hsl(215, 46%, 53%)
HSV	hsv(215, 58%, 75%)
CMYK	cmyk(57.6%, 33.5%, 0%, 25.1%)
CIE-LAB	lab(52.61, 3.57, -38.24)
CIE-LCH	lch(52.61, 38.41, 275.33°)
OKLab	oklab(59.22% -0.0252 -0.108)
OKLCH	oklch(59.22% 0.111 256.9)
XYZ	xyz(20.3834, 20.6879, 52.1991)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FBF #BF9151

analogous

#51B6BF #517FBF #5A51BF

triadic

#517FBF #BF517F #7FBF51

tetradic

#517FBF #BF51B6 #BF9151 #51BF5A

square

#517FBF #BF51B6 #BF9151 #51BF5A

split-complementary

#517FBF #BF5A51 #B6BF51

monochromatic

#28456D #39619A #517FBF #7EA0CF #AAC1E0

Accessibility & contrast

On white

4.09

#517FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#517FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FBF

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FBF	#FFFFFF	#000000	##000000
##517FBF	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583C2

Deuteranopia (green-blind)

#5679BE

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #517fbf;
/* rgb */ color: rgb(81, 127, 191);
/* oklch */ color: oklch(59.2% 0.111 256.9);

Tailwind

colors: {
  custom: {
    50: '#8aa3d2',
    500: '#517fbf',
    950: '#000000',
  },
}

SCSS

$custom: #517fbf;
$custom-light: #8aa3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#517fbf",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 191
  },
  "hsl": {
    "h": 214.909,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59216,
    "c": 0.1109,
    "h": 256.9
  },
  "luminance": 0.2069
}

Semantic roles & 50–950 ramp

primary

#517FBF

secondary

#CEBA9E

accent

#9F52D6

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #517FBF

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

Preview Lab → · Contrast checker → · Palette generator →