#517AAA#517AAA

#517AAA is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.088 H 253.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#517AAA
RGB	rgb(81, 122, 170)
HSL	hsl(212, 35%, 49%)
HSV	hsv(212, 52%, 67%)
CMYK	cmyk(52.4%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(50.18, -0.23, -29.94)
CIE-LCH	lch(50.18, 29.94, 269.55°)
OKLab	oklab(56.99% -0.0255 -0.084)
OKLCH	oklch(56.99% 0.088 253.1)
XYZ	xyz(17.6061, 18.5693, 40.6789)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517AAA #AA8151

analogous

#51A7AA #517AAA #5551AA

triadic

#517AAA #AA517A #7AAA51

tetradic

#517AAA #AA51A7 #AA8151 #51AA55

square

#517AAA #AA51A7 #AA8151 #51AA55

split-complementary

#517AAA #AA5551 #A7AA51

monochromatic

#2A3F57 #3D5C81 #517AAA #7999BF #A2B9D3

Accessibility & contrast

On white

4.45

#517AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#517AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517AAA

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517AAA	#FFFFFF	#000000	##000000
##517AAA	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677CAC

Deuteranopia (green-blind)

#5C73A9

Tritanopia (blue-blind)

#23858B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #517aaa;
/* rgb */ color: rgb(81, 122, 170);
/* oklch */ color: oklch(57.0% 0.088 253.1);

Tailwind

colors: {
  custom: {
    50: '#87a0c3',
    500: '#517aaa',
    950: '#000000',
  },
}

SCSS

$custom: #517aaa;
$custom-light: #87a0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#517aaa",
  "rgb": {
    "r": 81,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 212.36,
    "s": 35.458,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56993,
    "c": 0.08774,
    "h": 253.1
  },
  "luminance": 0.18571
}

Semantic roles & 50–950 ramp

primary

#517AAA

secondary

#C0AD97

accent

#985CCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #517AAA

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

Preview Lab → · Contrast checker → · Palette generator →