#6166BF#6166BF

#6166BF is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.9% C 0.136 H 278.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#6166BF
RGB	rgb(97, 102, 191)
HSL	hsl(237, 42%, 56%)
HSV	hsv(237, 49%, 75%)
CMYK	cmyk(49.2%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(46.72, 22.44, -47.52)
CIE-LCH	lch(46.72, 52.55, 295.28°)
OKLab	oklab(54.93% 0.0201 -0.135)
OKLCH	oklch(54.93% 0.136 278.5)
XYZ	xyz(19.0822, 15.8047, 51.3252)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166BF #BFBA61

analogous

#6195BF #6166BF #8B61BF

triadic

#6166BF #BF6166 #66BF61

tetradic

#6166BF #BF6195 #BFBA61 #61BF8B

square

#6166BF #BF6195 #BFBA61 #61BF8B

split-complementary

#6166BF #BF8B61 #95BF61

monochromatic

#303376 #4146A1 #6166BF #8D90D1 #B8BAE2

Accessibility & contrast

On white

5.05

#6166BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#6166BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166BF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166BF	#FFFFFF	#000000	##FFFFFF
##6166BF	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4072C2

Deuteranopia (green-blind)

#386BBD

Tritanopia (blue-blind)

#3D7989

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6166bf;
/* rgb */ color: rgb(97, 102, 191);
/* oklch */ color: oklch(54.9% 0.136 278.5);

Tailwind

colors: {
  custom: {
    50: '#9491d3',
    500: '#6166bf',
    950: '#000000',
  },
}

SCSS

$custom: #6166bf;
$custom-light: #9491d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6166bf",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 236.809,
    "s": 42.342,
    "l": 56.471
  },
  "oklch": {
    "l": 0.54934,
    "c": 0.13649,
    "h": 278.5
  },
  "luminance": 0.15806
}

Semantic roles & 50–950 ramp

primary

#6166BF

secondary

#D1CFAB

accent

#CC56D2

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #6166BF

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

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