#6166B0#6166B0

#6166B0 is a mid, moderate blue. Relative luminance 0.152; OKLCH L 54.0% C 0.115 H 278.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#6166B0
RGB	rgb(97, 102, 176)
HSL	hsl(236, 33%, 54%)
HSV	hsv(236, 45%, 69%)
CMYK	cmyk(44.9%, 42%, 0%, 31%)
CIE-LAB	lab(45.88, 17.82, -40.13)
CIE-LCH	lch(45.88, 43.91, 293.94°)
OKLab	oklab(54.02% 0.0177 -0.1134)
OKLCH	oklch(54.02% 0.115 278.9)
XYZ	xyz(17.5153, 15.1779, 43.0726)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6166B0 #B0AB61

analogous

#618DB0 #6166B0 #8361B0

triadic

#6166B0 #B06166 #66B061

tetradic

#6166B0 #B0618D #B0AB61 #61B083

square

#6166B0 #B0618D #B0AB61 #61B083

split-complementary

#6166B0 #B08361 #8DB061

monochromatic

#323564 #474B8D #6166B0 #8A8EC4 #B3B5D9

Accessibility & contrast

On white

5.20

#6166B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#6166B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6166B0

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6166B0	#FFFFFF	#000000	##FFFFFF
##6166B0	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A70B3

Deuteranopia (green-blind)

#456AAE

Tritanopia (blue-blind)

#477582

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6166b0;
/* rgb */ color: rgb(97, 102, 176);
/* oklch */ color: oklch(54.0% 0.115 278.9);

Tailwind

colors: {
  custom: {
    50: '#9291c8',
    500: '#6166b0',
    950: '#000000',
  },
}

SCSS

$custom: #6166b0;
$custom-light: #9291c8;
$custom-dark: #000000;

JSON

{
  "hex": "#6166b0",
  "rgb": {
    "r": 97,
    "g": 102,
    "b": 176
  },
  "hsl": {
    "h": 236.203,
    "s": 33.333,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54022,
    "c": 0.11476,
    "h": 278.9
  },
  "luminance": 0.15179
}

Semantic roles & 50–950 ramp

primary

#6166B0

secondary

#C7C5A5

accent

#C35EC9

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #6166B0

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

Preview Lab → · Contrast checker → · Palette generator →