#666E92#666E92

#666E92 is a mid, muted blue. Relative luminance 0.161; OKLCH L 54.6% C 0.057 H 274.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#666E92
RGB	rgb(102, 110, 146)
HSL	hsl(229, 18%, 49%)
HSV	hsv(229, 30%, 57%)
CMYK	cmyk(30.1%, 24.7%, 0%, 42.7%)
CIE-LAB	lab(47.04, 5.73, -20.62)
CIE-LCH	lch(47.04, 21.40, 285.53°)
OKLab	oklab(54.55% 0.0046 -0.0569)
OKLCH	oklch(54.55% 0.057 274.6)
XYZ	xyz(16.2423, 16.0515, 29.4310)
Luminance	0.1605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E92 #928A66

analogous

#668492 #666E92 #746692

triadic

#666E92 #92666E #6E9266

tetradic

#666E92 #926684 #928A66 #669274

square

#666E92 #926684 #928A66 #669274

split-complementary

#666E92 #927466 #849266

monochromatic

#34384A #4D536E #666E92 #898FAC #ADB1C6

Accessibility & contrast

On white

4.99

#666E92 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#666E92 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E92

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E92	#FFFFFF	#000000	##FFFFFF
##666E92	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637194

Deuteranopia (green-blind)

#606E91

Tritanopia (blue-blind)

#5B757A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #666e92;
/* rgb */ color: rgb(102, 110, 146);
/* oklch */ color: oklch(54.6% 0.057 274.6);

Tailwind

colors: {
  custom: {
    50: '#9297b2',
    500: '#666e92',
    950: '#000000',
  },
}

SCSS

$custom: #666e92;
$custom-light: #9297b2;
$custom-dark: #000000;

JSON

{
  "hex": "#666e92",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 146
  },
  "hsl": {
    "h": 229.091,
    "s": 17.742,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54552,
    "c": 0.05712,
    "h": 274.6
  },
  "luminance": 0.16052
}

Semantic roles & 50–950 ramp

primary

#666E92

secondary

#B4B19F

accent

#AC6DBA

background

#F9F9FA

surface

#F1F2F5

border

#CBCCCF

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #666E92

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

Preview Lab → · Contrast checker → · Palette generator →