#6166BD#6166BD

#6166BD is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.8% C 0.134 H 278.5°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#6166BD
RGB	rgb(97, 102, 189)
HSL	hsl(237, 41%, 56%)
HSV	hsv(237, 49%, 74%)
CMYK	cmyk(48.7%, 46%, 0%, 25.9%)
CIE-LAB	lab(46.60, 21.82, -46.55)
CIE-LCH	lch(46.60, 51.41, 295.12°)
OKLab	oklab(54.81% 0.0198 -0.1321)
OKLCH	oklch(54.81% 0.134 278.5)
XYZ	xyz(18.8636, 15.7172, 50.1740)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166BD #BDB861

analogous

#6194BD #6166BD #8A61BD

triadic

#6166BD #BD6166 #66BD61

tetradic

#6166BD #BD6194 #BDB861 #61BD8A

square

#6166BD #BD6194 #BDB861 #61BD8A

split-complementary

#6166BD #BD8A61 #94BD61

monochromatic

#303473 #42479F #6166BD #8C90CF #B7BAE1

Accessibility & contrast

On white

5.07

#6166BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#6166BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166BD

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166BD	#FFFFFF	#000000	##FFFFFF
##6166BD	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4272C0

Deuteranopia (green-blind)

#3A6BBB

Tritanopia (blue-blind)

#3E7888

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6166bd;
/* rgb */ color: rgb(97, 102, 189);
/* oklch */ color: oklch(54.8% 0.134 278.5);

Tailwind

colors: {
  custom: {
    50: '#9391d1',
    500: '#6166bd',
    950: '#000000',
  },
}

SCSS

$custom: #6166bd;
$custom-light: #9391d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6166bd",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 236.739,
    "s": 41.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54808,
    "c": 0.13363,
    "h": 278.5
  },
  "luminance": 0.15718
}

Semantic roles & 50–950 ramp

primary

#6166BD

secondary

#D0CEAA

accent

#CA57D1

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6166BD

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

Preview Lab → · Contrast checker → · Palette generator →