#6166B2#6166B2

#6166B2 is a mid, moderate blue. Relative luminance 0.153; OKLCH L 54.1% C 0.118 H 278.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#6166B2
RGB	rgb(97, 102, 178)
HSL	hsl(236, 34%, 54%)
HSV	hsv(236, 46%, 70%)
CMYK	cmyk(45.5%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(45.98, 18.43, -41.13)
CIE-LCH	lch(45.98, 45.07, 294.14°)
OKLab	oklab(54.14% 0.0181 -0.1163)
OKLCH	oklch(54.14% 0.118 278.8)
XYZ	xyz(17.7146, 15.2576, 44.1225)
Luminance	0.1526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166B2 #B2AD61

analogous

#618FB2 #6166B2 #8561B2

triadic

#6166B2 #B26166 #66B261

tetradic

#6166B2 #B2618F #B2AD61 #61B285

square

#6166B2 #B2618F #B2AD61 #61B285

split-complementary

#6166B2 #B28561 #8FB261

monochromatic

#323567 #464B90 #6166B2 #8A8EC6 #B3B6DA

Accessibility & contrast

On white

5.18

#6166B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#6166B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166B2

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166B2	#FFFFFF	#000000	##FFFFFF
##6166B2	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4970B5

Deuteranopia (green-blind)

#436AB0

Tritanopia (blue-blind)

#457683

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6166b2;
/* rgb */ color: rgb(97, 102, 178);
/* oklch */ color: oklch(54.1% 0.118 278.8);

Tailwind

colors: {
  custom: {
    50: '#9291c9',
    500: '#6166b2',
    950: '#000000',
  },
}

SCSS

$custom: #6166b2;
$custom-light: #9291c9;
$custom-dark: #000000;

JSON

{
  "hex": "#6166b2",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 236.296,
    "s": 34.468,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5414,
    "c": 0.11769,
    "h": 278.8
  },
  "luminance": 0.15258
}

Semantic roles & 50–950 ramp

primary

#6166B2

secondary

#C9C7A6

accent

#C45DCB

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #6166B2

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

Preview Lab → · Contrast checker → · Palette generator →