#6166BE#6166BE

#6166BE is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.9% C 0.135 H 278.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#6166BE
RGB	rgb(97, 102, 190)
HSL	hsl(237, 42%, 56%)
HSV	hsv(237, 49%, 75%)
CMYK	cmyk(48.9%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(46.66, 22.13, -47.03)
CIE-LCH	lch(46.66, 51.98, 295.20°)
OKLab	oklab(54.87% 0.02 -0.1336)
OKLCH	oklch(54.87% 0.135 278.5)
XYZ	xyz(18.9725, 15.7608, 50.7476)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166BE #BEB961

analogous

#6195BE #6166BE #8B61BE

triadic

#6166BE #BE6166 #66BE61

tetradic

#6166BE #BE6195 #BEB961 #61BE8B

square

#6166BE #BE6195 #BEB961 #61BE8B

split-complementary

#6166BE #BE8B61 #95BE61

monochromatic

#303475 #4247A0 #6166BE #8C90D0 #B8BAE2

Accessibility & contrast

On white

5.06

#6166BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#6166BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166BE

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166BE	#FFFFFF	#000000	##FFFFFF
##6166BE	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4172C1

Deuteranopia (green-blind)

#396BBC

Tritanopia (blue-blind)

#3E7989

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6166be;
/* rgb */ color: rgb(97, 102, 190);
/* oklch */ color: oklch(54.9% 0.135 278.5);

Tailwind

colors: {
  custom: {
    50: '#9491d2',
    500: '#6166be',
    950: '#000000',
  },
}

SCSS

$custom: #6166be;
$custom-light: #9491d2;
$custom-dark: #000000;

JSON

{
  "hex": "#6166be",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 236.774,
    "s": 41.704,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54871,
    "c": 0.13506,
    "h": 278.5
  },
  "luminance": 0.15762
}

Semantic roles & 50–950 ramp

primary

#6166BE

secondary

#D1CEAA

accent

#CB56D2

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6166BE

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

Preview Lab → · Contrast checker → · Palette generator →