#517DBA#517DBA

#517DBA is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.106 H 256.8°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#517DBA
RGB	rgb(81, 125, 186)
HSL	hsl(215, 43%, 52%)
HSV	hsv(215, 56%, 73%)
CMYK	cmyk(56.5%, 32.8%, 0%, 27.1%)
CIE-LAB	lab(51.79, 3.13, -36.66)
CIE-LCH	lch(51.79, 36.79, 274.87°)
OKLab	oklab(58.5% -0.0243 -0.1034)
OKLCH	oklch(58.5% 0.106 256.8)
XYZ	xyz(19.5868, 19.9601, 49.2654)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DBA #BA8E51

analogous

#51B2BA #517DBA #5951BA

triadic

#517DBA #BA517D #7DBA51

tetradic

#517DBA #BA51B2 #BA8E51 #51BA59

square

#517DBA #BA51B2 #BA8E51 #51BA59

split-complementary

#517DBA #BA5951 #B2BA51

monochromatic

#294368 #3A6093 #517DBA #7D9ECB #A9BEDD

Accessibility & contrast

On white

4.21

#517DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#517DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DBA

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DBA	#FFFFFF	#000000	##000000
##517DBA	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BD

Deuteranopia (green-blind)

#5777B9

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517dba;
/* rgb */ color: rgb(81, 125, 186);
/* oklch */ color: oklch(58.5% 0.106 256.8);

Tailwind

colors: {
  custom: {
    50: '#89a2cf',
    500: '#517dba',
    950: '#000000',
  },
}

SCSS

$custom: #517dba;
$custom-light: #89a2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#517dba",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 186
  },
  "hsl": {
    "h": 214.857,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58501,
    "c": 0.10621,
    "h": 256.8
  },
  "luminance": 0.19962
}

Semantic roles & 50–950 ramp

primary

#517DBA

secondary

#CAB79D

accent

#9E55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #517DBA

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

Preview Lab → · Contrast checker → · Palette generator →