#5166AE#5166AE

#5166AE is a mid, moderate blue. Relative luminance 0.143; OKLCH L 52.8% C 0.116 H 269.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#5166AE
RGB	rgb(81, 102, 174)
HSL	hsl(226, 36%, 50%)
HSV	hsv(226, 53%, 68%)
CMYK	cmyk(53.4%, 41.4%, 0%, 31.8%)
CIE-LAB	lab(44.67, 13.31, -40.95)
CIE-LCH	lch(44.67, 43.05, 288.01°)
OKLab	oklab(52.78% -0.0003 -0.1161)
OKLCH	oklch(52.78% 0.116 269.8)
XYZ	xyz(15.7822, 14.3070, 41.9661)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5166AE #AE9951

analogous

#5194AE #5166AE #6B51AE

triadic

#5166AE #AE5166 #66AE51

tetradic

#5166AE #AE5194 #AE9951 #51AE6B

square

#5166AE #AE5194 #AE9951 #51AE6B

split-complementary

#5166AE #AE6B51 #94AE51

monochromatic

#2A355A #3E4E84 #5166AE #7B8BC1 #A5AFD5

Accessibility & contrast

On white

5.44

#5166AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#5166AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5166AE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5166AE	#FFFFFF	#000000	##FFFFFF
##5166AE	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486EB1

Deuteranopia (green-blind)

#3E66AC

Tritanopia (blue-blind)

#247681

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5166ae;
/* rgb */ color: rgb(81, 102, 174);
/* oklch */ color: oklch(52.8% 0.116 269.8);

Tailwind

colors: {
  custom: {
    50: '#8891c6',
    500: '#5166ae',
    950: '#000000',
  },
}

SCSS

$custom: #5166ae;
$custom-light: #8891c6;
$custom-dark: #000000;

JSON

{
  "hex": "#5166ae",
  "rgb": {
    "r": 81,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 226.452,
    "s": 36.471,
    "l": 50
  },
  "oklch": {
    "l": 0.52779,
    "c": 0.1161,
    "h": 269.8
  },
  "luminance": 0.14308
}

Semantic roles & 50–950 ramp

primary

#5166AE

secondary

#C2B999

accent

#B35BCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5166AE

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

Preview Lab → · Contrast checker → · Palette generator →