#66697B#66697B

#66697B is a mid, muted blue. Relative luminance 0.144; OKLCH L 52.5% C 0.028 H 277.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#66697B
RGB	rgb(102, 105, 123)
HSL	hsl(231, 9%, 44%)
HSV	hsv(231, 17%, 48%)
CMYK	cmyk(17.1%, 14.6%, 0%, 51.8%)
CIE-LAB	lab(44.74, 2.90, -10.39)
CIE-LCH	lch(44.74, 10.79, 285.60°)
OKLab	oklab(52.47% 0.0039 -0.0282)
OKLCH	oklch(52.47% 0.028 277.9)
XYZ	xyz(14.1054, 14.3578, 20.7632)
Luminance	0.1436 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66697B #7B7866

analogous

#66747B #66697B #6E667B

triadic

#66697B #7B6669 #697B66

tetradic

#66697B #7B6674 #7B7866 #667B6E

square

#66697B #7B6674 #7B7866 #667B6E

split-complementary

#66697B #7B6E66 #747B66

monochromatic

#2F3038 #4A4C5A #66697B #85889A #A6A8B5

Accessibility & contrast

On white

5.42

#66697B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#66697B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66697B

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66697B	#FFFFFF	#000000	##FFFFFF
##66697B	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646B7C

Deuteranopia (green-blind)

#63697B

Tritanopia (blue-blind)

#616C6F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #66697b;
/* rgb */ color: rgb(102, 105, 123);
/* oklch */ color: oklch(52.5% 0.028 277.9);

Tailwind

colors: {
  custom: {
    50: '#9193a1',
    500: '#66697b',
    950: '#000000',
  },
}

SCSS

$custom: #66697b;
$custom-light: #9193a1;
$custom-dark: #000000;

JSON

{
  "hex": "#66697b",
  "rgb": {
    "r": 102,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 231.429,
    "s": 9.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52468,
    "c": 0.02846,
    "h": 277.9
  },
  "luminance": 0.14358
}

Semantic roles & 50–950 ramp

primary

#66697B

secondary

#A5A398

accent

#AA75B2

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0D0D0E

muted

#7D7E7E

Preview Lab

Preview with #66697B

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

Preview Lab → · Contrast checker → · Palette generator →