#517FBC#517FBC

#517FBC is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 59.1% C 0.107 H 255.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#517FBC
RGB	rgb(81, 127, 188)
HSL	hsl(214, 44%, 53%)
HSV	hsv(214, 57%, 74%)
CMYK	cmyk(56.9%, 32.4%, 0%, 26.3%)
CIE-LAB	lab(52.46, 2.58, -36.75)
CIE-LCH	lch(52.46, 36.84, 274.02°)
OKLab	oklab(59.06% -0.026 -0.1037)
OKLCH	oklch(59.06% 0.107 255.9)
XYZ	xyz(20.0566, 20.5572, 50.4782)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FBC #BC8E51

analogous

#51B4BC #517FBC #5951BC

triadic

#517FBC #BC517F #7FBC51

tetradic

#517FBC #BC51B4 #BC8E51 #51BC59

square

#517FBC #BC51B4 #BC8E51 #51BC59

split-complementary

#517FBC #BC5951 #B4BC51

monochromatic

#29456A #3A6196 #517FBC #7DA0CD #A9C0DE

Accessibility & contrast

On white

4.11

#517FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#517FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FBC

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FBC	#FFFFFF	#000000	##000000
##517FBC	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683BF

Deuteranopia (green-blind)

#5879BB

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #517fbc;
/* rgb */ color: rgb(81, 127, 188);
/* oklch */ color: oklch(59.1% 0.107 255.9);

Tailwind

colors: {
  custom: {
    50: '#8aa3d0',
    500: '#517fbc',
    950: '#000000',
  },
}

SCSS

$custom: #517fbc;
$custom-light: #8aa3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#517fbc",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 214.206,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59055,
    "c": 0.10689,
    "h": 255.9
  },
  "luminance": 0.20559
}

Semantic roles & 50–950 ramp

primary

#517FBC

secondary

#CCB89D

accent

#9D54D4

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #517FBC

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

Preview Lab → · Contrast checker → · Palette generator →