#6166C9#6166C9

#6166C9 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.6% C 0.151 H 278.1°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#6166C9
RGB	rgb(97, 102, 201)
HSL	hsl(237, 49%, 58%)
HSV	hsv(237, 52%, 79%)
CMYK	cmyk(51.7%, 49.3%, 0%, 21.2%)
CIE-LAB	lab(47.31, 25.58, -52.33)
CIE-LCH	lch(47.31, 58.25, 296.05°)
OKLab	oklab(55.58% 0.0213 -0.1491)
OKLCH	oklch(55.58% 0.151 278.1)
XYZ	xyz(20.2205, 16.2600, 57.3200)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166C9 #C9C461

analogous

#619AC9 #6166C9 #9061C9

triadic

#6166C9 #C96166 #66C961

tetradic

#6166C9 #C9619A #C9C461 #61C990

square

#6166C9 #C9619A #C9C461 #61C990

split-complementary

#6166C9 #C99061 #9AC961

monochromatic

#2D3183 #3C42B0 #6166C9 #8F92D9 #BCBEE8

Accessibility & contrast

On white

4.94

#6166C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#6166C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166C9

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166C9	#FFFFFF	#000000	##FFFFFF
##6166C9	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3774CD

Deuteranopia (green-blind)

#2C6CC7

Tritanopia (blue-blind)

#357C8E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6166c9;
/* rgb */ color: rgb(97, 102, 201);
/* oklch */ color: oklch(55.6% 0.151 278.1);

Tailwind

colors: {
  custom: {
    50: '#9591da',
    500: '#6166c9',
    950: '#000000',
  },
}

SCSS

$custom: #6166c9;
$custom-light: #9591da;
$custom-dark: #000000;

JSON

{
  "hex": "#6166c9",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 201
  },
  "hsl": {
    "h": 237.115,
    "s": 49.057,
    "l": 58.431
  },
  "oklch": {
    "l": 0.55577,
    "c": 0.15064,
    "h": 278.1
  },
  "luminance": 0.16261
}

Semantic roles & 50–950 ramp

primary

#6166C9

secondary

#D8D6AE

accent

#D24FD9

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6166C9

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

Preview Lab → · Contrast checker → · Palette generator →