#6166D1#6166D1

#6166D1 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 56.1% C 0.162 H 277.8°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#6166D1
RGB	rgb(97, 102, 209)
HSL	hsl(237, 55%, 60%)
HSV	hsv(237, 54%, 82%)
CMYK	cmyk(53.6%, 51.2%, 0%, 18%)
CIE-LAB	lab(47.81, 28.11, -56.11)
CIE-LCH	lch(47.81, 62.76, 296.61°)
OKLab	oklab(56.11% 0.022 -0.1602)
OKLCH	oklch(56.11% 0.162 277.8)
XYZ	xyz(21.1861, 16.6462, 62.4059)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166D1 #D1CC61

analogous

#619ED1 #6166D1 #9461D1

triadic

#6166D1 #D16166 #66D161

tetradic

#6166D1 #D1619E #D1CC61 #61D194

square

#6166D1 #D1619E #D1CC61 #61D194

split-complementary

#6166D1 #D19461 #9ED161

monochromatic

#292E8E #373DBE #6166D1 #9094DF #C0C2ED

Accessibility & contrast

On white

4.85

#6166D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#6166D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166D1

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166D1	#FFFFFF	#000000	##FFFFFF
##6166D1	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E76D5

Deuteranopia (green-blind)

#1E6DCF

Tritanopia (blue-blind)

#2D7E92

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6166d1;
/* rgb */ color: rgb(97, 102, 209);
/* oklch */ color: oklch(56.1% 0.162 277.8);

Tailwind

colors: {
  custom: {
    50: '#9691e0',
    500: '#6166d1',
    950: '#000000',
  },
}

SCSS

$custom: #6166d1;
$custom-light: #9691e0;
$custom-dark: #000000;

JSON

{
  "hex": "#6166d1",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 209
  },
  "hsl": {
    "h": 237.321,
    "s": 54.902,
    "l": 60
  },
  "oklch": {
    "l": 0.56112,
    "c": 0.16175,
    "h": 277.8
  },
  "luminance": 0.16648
}

Semantic roles & 50–950 ramp

primary

#6166D1

secondary

#DCDBB1

accent

#D84ADE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166D1

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

Preview Lab → · Contrast checker → · Palette generator →