#6166C0#6166C0

#6166C0 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.0% C 0.138 H 278.4°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#6166C0
RGB	rgb(97, 102, 192)
HSL	hsl(237, 43%, 57%)
HSV	hsv(237, 49%, 75%)
CMYK	cmyk(49.5%, 46.9%, 0%, 24.7%)
CIE-LAB	lab(46.78, 22.75, -48.00)
CIE-LCH	lch(46.78, 53.12, 295.36°)
OKLab	oklab(55% 0.0202 -0.1364)
OKLCH	oklch(55% 0.138 278.4)
XYZ	xyz(19.1926, 15.8488, 51.9068)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166C0 #C0BB61

analogous

#6196C0 #6166C0 #8C61C0

triadic

#6166C0 #C06166 #66C061

tetradic

#6166C0 #C06196 #C0BB61 #61C08C

square

#6166C0 #C06196 #C0BB61 #61C08C

split-complementary

#6166C0 #C08C61 #96C061

monochromatic

#2F3377 #4146A3 #6166C0 #8D90D1 #B9BBE3

Accessibility & contrast

On white

5.04

#6166C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#6166C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166C0

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166C0	#FFFFFF	#000000	##FFFFFF
##6166C0	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F73C3

Deuteranopia (green-blind)

#376BBE

Tritanopia (blue-blind)

#3C798A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6166c0;
/* rgb */ color: rgb(97, 102, 192);
/* oklch */ color: oklch(55.0% 0.138 278.4);

Tailwind

colors: {
  custom: {
    50: '#9491d3',
    500: '#6166c0',
    950: '#000000',
  },
}

SCSS

$custom: #6166c0;
$custom-light: #9491d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6166c0",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 192
  },
  "hsl": {
    "h": 236.842,
    "s": 42.986,
    "l": 56.667
  },
  "oklch": {
    "l": 0.54997,
    "c": 0.13792,
    "h": 278.4
  },
  "luminance": 0.1585
}

Semantic roles & 50–950 ramp

primary

#6166C0

secondary

#D2D0AB

accent

#CC55D3

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #6166C0

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

Preview Lab → · Contrast checker → · Palette generator →