#517EB2#517EB2

#517EB2 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.095 H 252.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#517EB2
RGB	rgb(81, 126, 178)
HSL	hsl(212, 39%, 51%)
HSV	hsv(212, 54%, 70%)
CMYK	cmyk(54.5%, 29.2%, 0%, 30.2%)
CIE-LAB	lab(51.71, -0.06, -32.19)
CIE-LCH	lch(51.71, 32.19, 269.89°)
OKLab	oklab(58.31% -0.0278 -0.0904)
OKLCH	oklch(58.31% 0.095 252.9)
XYZ	xyz(18.8873, 19.8839, 44.9535)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EB2 #B28551

analogous

#51AEB2 #517EB2 #5451B2

triadic

#517EB2 #B2517E #7EB251

tetradic

#517EB2 #B251AE #B28551 #51B254

square

#517EB2 #B251AE #B28551 #51B254

split-complementary

#517EB2 #B25451 #AEB251

monochromatic

#2A425F #3D6089 #517EB2 #7B9DC5 #A6BDD8

Accessibility & contrast

On white

4.22

#517EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#517EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EB2

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EB2	#FFFFFF	#000000	##000000
##517EB2	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6980B4

Deuteranopia (green-blind)

#5D77B1

Tritanopia (blue-blind)

#158A90

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517eb2;
/* rgb */ color: rgb(81, 126, 178);
/* oklch */ color: oklch(58.3% 0.095 252.9);

Tailwind

colors: {
  custom: {
    50: '#88a3c9',
    500: '#517eb2',
    950: '#000000',
  },
}

SCSS

$custom: #517eb2;
$custom-light: #88a3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#517eb2",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 178
  },
  "hsl": {
    "h": 212.165,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5831,
    "c": 0.09461,
    "h": 252.9
  },
  "luminance": 0.19885
}

Semantic roles & 50–950 ramp

primary

#517EB2

secondary

#C5B19A

accent

#9859CF

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #517EB2

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

Preview Lab → · Contrast checker → · Palette generator →