#5170AA#5170AA

#5170AA is a mid, moderate blue. Relative luminance 0.162; OKLCH L 54.7% C 0.098 H 262.2°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5170AA
RGB	rgb(81, 112, 170)
HSL	hsl(219, 35%, 49%)
HSV	hsv(219, 52%, 67%)
CMYK	cmyk(52.4%, 34.1%, 0%, 33.3%)
CIE-LAB	lab(47.29, 5.80, -34.47)
CIE-LCH	lch(47.29, 34.96, 279.56°)
OKLab	oklab(54.73% -0.0133 -0.0971)
OKLCH	oklch(54.73% 0.098 262.2)
XYZ	xyz(16.4408, 16.2388, 40.2905)
Luminance	0.1624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170AA #AA8B51

analogous

#519DAA #5170AA #5F51AA

triadic

#5170AA #AA5170 #70AA51

tetradic

#5170AA #AA519D #AA8B51 #51AA5F

square

#5170AA #AA519D #AA8B51 #51AA5F

split-complementary

#5170AA #AA5F51 #9DAA51

monochromatic

#2A3957 #3D5581 #5170AA #7991BF #A2B3D3

Accessibility & contrast

On white

4.94

#5170AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#5170AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5170AA

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170AA	#FFFFFF	#000000	##FFFFFF
##5170AA	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5975AC

Deuteranopia (green-blind)

#4F6CA9

Tritanopia (blue-blind)

#267D85

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5170aa;
/* rgb */ color: rgb(81, 112, 170);
/* oklch */ color: oklch(54.7% 0.098 262.2);

Tailwind

colors: {
  custom: {
    50: '#8798c3',
    500: '#5170aa',
    950: '#000000',
  },
}

SCSS

$custom: #5170aa;
$custom-light: #8798c3;
$custom-dark: #000000;

JSON

{
  "hex": "#5170aa",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 170
  },
  "hsl": {
    "h": 219.101,
    "s": 35.458,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54733,
    "c": 0.09805,
    "h": 262.2
  },
  "luminance": 0.1624
}

Semantic roles & 50–950 ramp

primary

#5170AA

secondary

#C0B297

accent

#A55CCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #5170AA

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

Preview Lab → · Contrast checker → · Palette generator →