#6166C8#6166C8

#6166C8 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.5% C 0.149 H 278.2°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6166C8
RGB	rgb(97, 102, 200)
HSL	hsl(237, 48%, 58%)
HSV	hsv(237, 52%, 78%)
CMYK	cmyk(51.5%, 49%, 0%, 21.6%)
CIE-LAB	lab(47.25, 25.26, -51.85)
CIE-LCH	lch(47.25, 57.68, 295.98°)
OKLab	oklab(55.51% 0.0212 -0.1477)
OKLCH	oklch(55.51% 0.149 278.2)
XYZ	xyz(20.1032, 16.2131, 56.7025)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166C8 #C8C361

analogous

#6199C8 #6166C8 #8F61C8

triadic

#6166C8 #C86166 #66C861

tetradic

#6166C8 #C86199 #C8C361 #61C88F

square

#6166C8 #C86199 #C8C361 #61C88F

split-complementary

#6166C8 #C88F61 #99C861

monochromatic

#2D3182 #3D42AF #6166C8 #8E92D8 #BCBEE8

Accessibility & contrast

On white

4.95

#6166C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#6166C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166C8

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166C8	#FFFFFF	#000000	##FFFFFF
##6166C8	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3874CC

Deuteranopia (green-blind)

#2D6CC6

Tritanopia (blue-blind)

#367B8D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6166c8;
/* rgb */ color: rgb(97, 102, 200);
/* oklch */ color: oklch(55.5% 0.149 278.2);

Tailwind

colors: {
  custom: {
    50: '#9591d9',
    500: '#6166c8',
    950: '#000000',
  },
}

SCSS

$custom: #6166c8;
$custom-light: #9591d9;
$custom-dark: #000000;

JSON

{
  "hex": "#6166c8",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 237.087,
    "s": 48.357,
    "l": 58.235
  },
  "oklch": {
    "l": 0.55512,
    "c": 0.14924,
    "h": 278.2
  },
  "luminance": 0.16214
}

Semantic roles & 50–950 ramp

primary

#6166C8

secondary

#D7D5AE

accent

#D150D8

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166C8

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

Preview Lab → · Contrast checker → · Palette generator →