#6166DC#6166DC

#6166DC is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.9% C 0.177 H 277.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#6166DC
RGB	rgb(97, 102, 220)
HSL	hsl(238, 64%, 62%)
HSV	hsv(238, 56%, 86%)
CMYK	cmyk(55.9%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(48.52, 31.62, -61.22)
CIE-LCH	lch(48.52, 68.91, 297.32°)
OKLab	oklab(56.87% 0.0226 -0.1753)
OKLCH	oklch(56.87% 0.177 277.4)
XYZ	xyz(22.5953, 17.2099, 69.8274)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166DC #DCD761

analogous

#61A4DC #6166DC #9A61DC

triadic

#6166DC #DC6166 #66DC61

tetradic

#6166DC #DC61A4 #DCD761 #61DC9A

square

#6166DC #DC61A4 #DCD761 #61DC9A

split-complementary

#6166DC #DC9A61 #A4DC61

monochromatic

#23289F #2F35D1 #6166DC #9397E7 #C5C7F2

Accessibility & contrast

On white

4.73

#6166DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#6166DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166DC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166DC	#FFFFFF	#000000	##FFFFFF
##6166DC	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C78E0

Deuteranopia (green-blind)

#006EDA

Tritanopia (blue-blind)

#1C8197

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6166dc;
/* rgb */ color: rgb(97, 102, 220);
/* oklch */ color: oklch(56.9% 0.177 277.4);

Tailwind

colors: {
  custom: {
    50: '#9891e8',
    500: '#6166dc',
    950: '#000000',
  },
}

SCSS

$custom: #6166dc;
$custom-light: #9891e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6166dc",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 237.561,
    "s": 63.731,
    "l": 62.157
  },
  "oklch": {
    "l": 0.56873,
    "c": 0.17675,
    "h": 277.4
  },
  "luminance": 0.17211
}

Semantic roles & 50–950 ramp

primary

#6166DC

secondary

#E3E1B6

accent

#C41ACC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #6166DC

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

Preview Lab → · Contrast checker → · Palette generator →