#66697C#66697C

#66697C is a mid, muted blue. Relative luminance 0.144; OKLCH L 52.5% C 0.030 H 278.2°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#66697C
RGB	rgb(102, 105, 124)
HSL	hsl(232, 10%, 44%)
HSV	hsv(232, 18%, 49%)
CMYK	cmyk(17.7%, 15.3%, 0%, 51.4%)
CIE-LAB	lab(44.78, 3.14, -10.94)
CIE-LCH	lch(44.78, 11.38, 286.02°)
OKLab	oklab(52.51% 0.0043 -0.0297)
OKLCH	oklch(52.51% 0.03 278.2)
XYZ	xyz(14.1683, 14.3830, 21.0946)
Luminance	0.1438 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66697C #7C7966

analogous

#66747C #66697C #6E667C

triadic

#66697C #7C6669 #697C66

tetradic

#66697C #7C6674 #7C7966 #667C6E

square

#66697C #7C6674 #7C7966 #667C6E

split-complementary

#66697C #7C6E66 #747C66

monochromatic

#2F3039 #4A4D5A #66697C #85889A #A6A8B6

Accessibility & contrast

On white

5.42

#66697C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#66697C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66697C

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66697C	#FFFFFF	#000000	##FFFFFF
##66697C	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646B7D

Deuteranopia (green-blind)

#63697B

Tritanopia (blue-blind)

#616C6F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #66697c;
/* rgb */ color: rgb(102, 105, 124);
/* oklch */ color: oklch(52.5% 0.030 278.2);

Tailwind

colors: {
  custom: {
    50: '#9193a2',
    500: '#66697c',
    950: '#000000',
  },
}

SCSS

$custom: #66697c;
$custom-light: #9193a2;
$custom-dark: #000000;

JSON

{
  "hex": "#66697c",
  "rgb": {
    "r": 102,
    "g": 105,
    "b": 124
  },
  "hsl": {
    "h": 231.818,
    "s": 9.735,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52507,
    "c": 0.03002,
    "h": 278.2
  },
  "luminance": 0.14383
}

Semantic roles & 50–950 ramp

primary

#66697C

secondary

#A5A498

accent

#AA75B3

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0D0D0F

muted

#7D7E7E

Preview Lab

Preview with #66697C

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

Preview Lab → · Contrast checker → · Palette generator →