#517DAA#517DAA

#517DAA is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.085 H 250.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#517DAA
RGB	rgb(81, 125, 170)
HSL	hsl(210, 35%, 49%)
HSV	hsv(210, 52%, 67%)
CMYK	cmyk(52.4%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(51.06, -2.01, -28.58)
CIE-LCH	lch(51.06, 28.65, 265.97°)
OKLab	oklab(57.68% -0.0291 -0.08)
OKLCH	oklch(57.68% 0.085 250)
XYZ	xyz(17.9801, 19.3175, 40.8036)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DAA #AA7E51

analogous

#51AAAA #517DAA #5251AA

triadic

#517DAA #AA517D #7DAA51

tetradic

#517DAA #AA51AA #AA7E51 #51AA52

square

#517DAA #AA51AA #AA7E51 #51AA52

split-complementary

#517DAA #AA5251 #AAAA51

monochromatic

#2A4057 #3D5F81 #517DAA #799CBF #A2BAD3

Accessibility & contrast

On white

4.32

#517DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#517DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DAA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DAA	#FFFFFF	#000000	##000000
##517DAA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7FAC

Deuteranopia (green-blind)

#5F76A9

Tritanopia (blue-blind)

#22878D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #517daa;
/* rgb */ color: rgb(81, 125, 170);
/* oklch */ color: oklch(57.7% 0.085 250.0);

Tailwind

colors: {
  custom: {
    50: '#87a2c3',
    500: '#517daa',
    950: '#000000',
  },
}

SCSS

$custom: #517daa;
$custom-light: #87a2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#517daa",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 210.337,
    "s": 35.458,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57682,
    "c": 0.08513,
    "h": 250
  },
  "luminance": 0.19319
}

Semantic roles & 50–950 ramp

primary

#517DAA

secondary

#C0AC97

accent

#955CCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #517DAA

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

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