#666B95#666B95

#666B95 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.0% C 0.066 H 278.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#666B95
RGB	rgb(102, 107, 149)
HSL	hsl(234, 19%, 49%)
HSV	hsv(234, 32%, 58%)
CMYK	cmyk(31.5%, 28.2%, 0%, 41.6%)
CIE-LAB	lab(46.32, 8.36, -23.51)
CIE-LCH	lch(46.32, 24.95, 289.57°)
OKLab	oklab(54.04% 0.01 -0.0651)
OKLCH	oklch(54.04% 0.066 278.7)
XYZ	xyz(16.1605, 15.5096, 30.5701)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B95 #959066

analogous

#668395 #666B95 #796695

triadic

#666B95 #95666B #6B9566

tetradic

#666B95 #956683 #959066 #669579

square

#666B95 #956683 #959066 #669579

split-complementary

#666B95 #957966 #839566

monochromatic

#34374C #4D5171 #666B95 #8A8EAF #AEB1C7

Accessibility & contrast

On white

5.12

#666B95 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#666B95 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B95

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B95	#FFFFFF	#000000	##FFFFFF
##666B95	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7097

Deuteranopia (green-blind)

#5C6C94

Tritanopia (blue-blind)

#5A737A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #666b95;
/* rgb */ color: rgb(102, 107, 149);
/* oklch */ color: oklch(54.0% 0.066 278.7);

Tailwind

colors: {
  custom: {
    50: '#9395b4',
    500: '#666b95',
    950: '#000000',
  },
}

SCSS

$custom: #666b95;
$custom-light: #9395b4;
$custom-dark: #000000;

JSON

{
  "hex": "#666b95",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 149
  },
  "hsl": {
    "h": 233.617,
    "s": 18.725,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54036,
    "c": 0.0659,
    "h": 278.7
  },
  "luminance": 0.1551
}

Semantic roles & 50–950 ramp

primary

#666B95

secondary

#B6B4A0

accent

#B36CBB

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #666B95

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

Preview Lab → · Contrast checker → · Palette generator →