#517BB2#517BB2

#517BB2 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.097 H 255.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#517BB2
RGB	rgb(81, 123, 178)
HSL	hsl(214, 39%, 51%)
HSV	hsv(214, 54%, 70%)
CMYK	cmyk(54.5%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(50.84, 1.73, -33.55)
CIE-LCH	lch(50.84, 33.59, 272.94°)
OKLab	oklab(57.63% -0.0242 -0.0944)
OKLCH	oklch(57.63% 0.097 255.6)
XYZ	xyz(18.5094, 19.1281, 44.8276)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517BB2 #B28851

analogous

#51ABB2 #517BB2 #5851B2

triadic

#517BB2 #B2517B #7BB251

tetradic

#517BB2 #B251AB #B28851 #51B258

square

#517BB2 #B251AB #B28851 #51B258

split-complementary

#517BB2 #B25851 #ABB251

monochromatic

#2A415F #3D5E89 #517BB2 #7B9BC5 #A6BBD8

Accessibility & contrast

On white

4.35

#517BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#517BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517BB2

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517BB2	#FFFFFF	#000000	##000000
##517BB2	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657EB4

Deuteranopia (green-blind)

#5975B1

Tritanopia (blue-blind)

#17878F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #517bb2;
/* rgb */ color: rgb(81, 123, 178);
/* oklch */ color: oklch(57.6% 0.097 255.6);

Tailwind

colors: {
  custom: {
    50: '#88a0c9',
    500: '#517bb2',
    950: '#000000',
  },
}

SCSS

$custom: #517bb2;
$custom-light: #88a0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#517bb2",
  "rgb": {
    "r": 81,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 214.021,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57629,
    "c": 0.09745,
    "h": 255.6
  },
  "luminance": 0.1913
}

Semantic roles & 50–950 ramp

primary

#517BB2

secondary

#C5B29A

accent

#9C59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #517BB2

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

Preview Lab → · Contrast checker → · Palette generator →