#517DA2#517DA2

#517DA2 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.075 H 245.0°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#517DA2
RGB	rgb(81, 125, 162)
HSL	hsl(207, 33%, 48%)
HSV	hsv(207, 50%, 64%)
CMYK	cmyk(50%, 22.8%, 0%, 36.5%)
CIE-LAB	lab(50.72, -4.50, -24.46)
CIE-LCH	lch(50.72, 24.87, 259.58°)
OKLab	oklab(57.3% -0.0318 -0.0682)
OKLCH	oklch(57.3% 0.075 245)
XYZ	xyz(17.2463, 19.0239, 36.9386)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DA2 #A27651

analogous

#51A29E #517DA2 #5155A2

triadic

#517DA2 #A2517D #7DA251

tetradic

#517DA2 #9E51A2 #A27651 #55A251

square

#517DA2 #9E51A2 #A27651 #55A251

split-complementary

#517DA2 #A25155 #A29E51

monochromatic

#283E50 #3D5E79 #517DA2 #769BBA #9FB9CF

Accessibility & contrast

On white

4.37

#517DA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#517DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DA2

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DA2	#FFFFFF	#000000	##000000
##517DA2	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA4

Deuteranopia (green-blind)

#6375A1

Tritanopia (blue-blind)

#2A8689

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #517da2;
/* rgb */ color: rgb(81, 125, 162);
/* oklch */ color: oklch(57.3% 0.075 245.0);

Tailwind

colors: {
  custom: {
    50: '#87a2bd',
    500: '#517da2',
    950: '#000000',
  },
}

SCSS

$custom: #517da2;
$custom-light: #87a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#517da2",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 162
  },
  "hsl": {
    "h": 207.407,
    "s": 33.333,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57301,
    "c": 0.07524,
    "h": 245
  },
  "luminance": 0.19025
}

Semantic roles & 50–950 ramp

primary

#517DA2

secondary

#BCA693

accent

#8F5EC9

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #517DA2

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

Preview Lab → · Contrast checker → · Palette generator →