#6166D4#6166D4

#6166D4 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.3% C 0.166 H 277.7°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#6166D4
RGB	rgb(97, 102, 212)
HSL	hsl(237, 57%, 61%)
HSV	hsv(237, 54%, 83%)
CMYK	cmyk(54.2%, 51.9%, 0%, 16.9%)
CIE-LAB	lab(48.00, 29.07, -57.52)
CIE-LCH	lch(48.00, 64.44, 296.81°)
OKLab	oklab(56.32% 0.0222 -0.1644)
OKLCH	oklch(56.32% 0.166 277.7)
XYZ	xyz(21.5610, 16.7962, 64.3804)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166D4 #D4CF61

analogous

#61A0D4 #6166D4 #9561D4

triadic

#6166D4 #D46166 #66D461

tetradic

#6166D4 #D461A0 #D4CF61 #61D495

square

#6166D4 #D461A0 #D4CF61 #61D495

split-complementary

#6166D4 #D49561 #A0D461

monochromatic

#282D93 #353BC3 #6166D4 #9195E1 #C1C3EE

Accessibility & contrast

On white

4.82

#6166D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#6166D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166D4

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166D4	#FFFFFF	#000000	##FFFFFF
##6166D4	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A77D8

Deuteranopia (green-blind)

#166DD2

Tritanopia (blue-blind)

#297F93

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6166d4;
/* rgb */ color: rgb(97, 102, 212);
/* oklch */ color: oklch(56.3% 0.166 277.7);

Tailwind

colors: {
  custom: {
    50: '#9691e2',
    500: '#6166d4',
    950: '#000000',
  },
}

SCSS

$custom: #6166d4;
$custom-light: #9691e2;
$custom-dark: #000000;

JSON

{
  "hex": "#6166d4",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 212
  },
  "hsl": {
    "h": 237.391,
    "s": 57.214,
    "l": 60.588
  },
  "oklch": {
    "l": 0.56316,
    "c": 0.16587,
    "h": 277.7
  },
  "luminance": 0.16798
}

Semantic roles & 50–950 ramp

primary

#6166D4

secondary

#DEDCB3

accent

#BE21C5

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166D4

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

Preview Lab → · Contrast checker → · Palette generator →