#6166D3#6166D3

#6166D3 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.2% C 0.165 H 277.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#6166D3
RGB	rgb(97, 102, 211)
HSL	hsl(237, 56%, 60%)
HSV	hsv(237, 54%, 83%)
CMYK	cmyk(54%, 51.7%, 0%, 17.3%)
CIE-LAB	lab(47.94, 28.75, -57.05)
CIE-LCH	lch(47.94, 63.88, 296.75°)
OKLab	oklab(56.25% 0.0221 -0.163)
OKLCH	oklch(56.25% 0.165 277.7)
XYZ	xyz(21.4353, 16.7459, 63.7181)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166D3 #D3CE61

analogous

#619FD3 #6166D3 #9561D3

triadic

#6166D3 #D36166 #66D361

tetradic

#6166D3 #D3619F #D3CE61 #61D395

square

#6166D3 #D3619F #D3CE61 #61D395

split-complementary

#6166D3 #D39561 #9FD361

monochromatic

#282D91 #363CC1 #6166D3 #9194E0 #C1C3EE

Accessibility & contrast

On white

4.83

#6166D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#6166D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166D3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166D3	#FFFFFF	#000000	##FFFFFF
##6166D3	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B76D7

Deuteranopia (green-blind)

#196DD1

Tritanopia (blue-blind)

#2A7F93

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6166d3;
/* rgb */ color: rgb(97, 102, 211);
/* oklch */ color: oklch(56.2% 0.165 277.7);

Tailwind

colors: {
  custom: {
    50: '#9691e1',
    500: '#6166d3',
    950: '#000000',
  },
}

SCSS

$custom: #6166d3;
$custom-light: #9691e1;
$custom-dark: #000000;

JSON

{
  "hex": "#6166d3",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 211
  },
  "hsl": {
    "h": 237.368,
    "s": 56.436,
    "l": 60.392
  },
  "oklch": {
    "l": 0.56248,
    "c": 0.1645,
    "h": 277.7
  },
  "luminance": 0.16747
}

Semantic roles & 50–950 ramp

primary

#6166D3

secondary

#DEDCB2

accent

#BD22C4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166D3

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

Preview Lab → · Contrast checker → · Palette generator →