#517CB2#517CB2

#517CB2 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.096 H 254.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#517CB2
RGB	rgb(81, 124, 178)
HSL	hsl(213, 39%, 51%)
HSV	hsv(213, 54%, 70%)
CMYK	cmyk(54.5%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(51.13, 1.13, -33.10)
CIE-LCH	lch(51.13, 33.12, 271.95°)
OKLab	oklab(57.86% -0.0254 -0.0931)
OKLCH	oklch(57.86% 0.096 254.7)
XYZ	xyz(18.6341, 19.3775, 44.8691)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CB2 #B28751

analogous

#51ACB2 #517CB2 #5651B2

triadic

#517CB2 #B2517C #7CB251

tetradic

#517CB2 #B251AC #B28751 #51B256

square

#517CB2 #B251AC #B28751 #51B256

split-complementary

#517CB2 #B25651 #ACB251

monochromatic

#2A415F #3D5F89 #517CB2 #7B9CC5 #A6BCD8

Accessibility & contrast

On white

4.31

#517CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#517CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CB2

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CB2	#FFFFFF	#000000	##000000
##517CB2	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB4

Deuteranopia (green-blind)

#5A76B1

Tritanopia (blue-blind)

#16888F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #517cb2;
/* rgb */ color: rgb(81, 124, 178);
/* oklch */ color: oklch(57.9% 0.096 254.7);

Tailwind

colors: {
  custom: {
    50: '#88a1c9',
    500: '#517cb2',
    950: '#000000',
  },
}

SCSS

$custom: #517cb2;
$custom-light: #88a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#517cb2",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 213.402,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57855,
    "c": 0.09648,
    "h": 254.7
  },
  "luminance": 0.19379
}

Semantic roles & 50–950 ramp

primary

#517CB2

secondary

#C5B29A

accent

#9B59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #517CB2

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

Preview Lab → · Contrast checker → · Palette generator →