#6166CF#6166CF

#6166CF is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.159 H 277.9°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#6166CF
RGB	rgb(97, 102, 207)
HSL	hsl(237, 53%, 60%)
HSV	hsv(237, 53%, 81%)
CMYK	cmyk(53.1%, 50.7%, 0%, 18.8%)
CIE-LAB	lab(47.69, 27.48, -55.17)
CIE-LCH	lch(47.69, 61.64, 296.48°)
OKLab	oklab(55.98% 0.0218 -0.1575)
OKLCH	oklch(55.98% 0.159 277.9)
XYZ	xyz(20.9401, 16.5478, 61.1100)
Luminance	0.1655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166CF #CFCA61

analogous

#619DCF #6166CF #9361CF

triadic

#6166CF #CF6166 #66CF61

tetradic

#6166CF #CF619D #CFCA61 #61CF93

square

#6166CF #CF619D #CFCA61 #61CF93

split-complementary

#6166CF #CF9361 #9DCF61

monochromatic

#2A2F8B #393EBA #6166CF #9093DD #BFC1EC

Accessibility & contrast

On white

4.87

#6166CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#6166CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166CF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166CF	#FFFFFF	#000000	##FFFFFF
##6166CF	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3176D3

Deuteranopia (green-blind)

#226DCD

Tritanopia (blue-blind)

#2F7D91

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6166cf;
/* rgb */ color: rgb(97, 102, 207);
/* oklch */ color: oklch(56.0% 0.159 277.9);

Tailwind

colors: {
  custom: {
    50: '#9691de',
    500: '#6166cf',
    950: '#000000',
  },
}

SCSS

$custom: #6166cf;
$custom-light: #9691de;
$custom-dark: #000000;

JSON

{
  "hex": "#6166cf",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 207
  },
  "hsl": {
    "h": 237.273,
    "s": 53.398,
    "l": 59.608
  },
  "oklch": {
    "l": 0.55977,
    "c": 0.15899,
    "h": 277.9
  },
  "luminance": 0.16549
}

Semantic roles & 50–950 ramp

primary

#6166CF

secondary

#DBD9B1

accent

#D64BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166CF

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

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