#66708A#66708A

#66708A is a mid, muted blue. Relative luminance 0.162; OKLCH L 54.6% C 0.042 H 268.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#66708A
RGB	rgb(102, 112, 138)
HSL	hsl(223, 15%, 47%)
HSV	hsv(223, 26%, 54%)
CMYK	cmyk(26.1%, 18.8%, 0%, 45.9%)
CIE-LAB	lab(47.30, 2.43, -15.48)
CIE-LCH	lch(47.30, 15.67, 278.93°)
OKLab	oklab(54.65% -0.0011 -0.0424)
OKLCH	oklch(54.65% 0.042 268.5)
XYZ	xyz(15.8599, 16.2477, 26.3403)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66708A #8A8066

analogous

#66828A #66708A #6E668A

triadic

#66708A #8A6670 #708A66

tetradic

#66708A #8A6682 #8A8066 #668A6E

square

#66708A #8A6682 #8A8066 #668A6E

split-complementary

#66708A #8A6E66 #828A66

monochromatic

#323744 #4C5367 #66708A #8790A6 #AAB0C0

Accessibility & contrast

On white

4.94

#66708A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#66708A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66708A

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66708A	#FFFFFF	#000000	##FFFFFF
##66708A	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68728B

Deuteranopia (green-blind)

#656F89

Tritanopia (blue-blind)

#5D7579

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #66708a;
/* rgb */ color: rgb(102, 112, 138);
/* oklch */ color: oklch(54.6% 0.042 268.5);

Tailwind

colors: {
  custom: {
    50: '#9299ac',
    500: '#66708a',
    950: '#000000',
  },
}

SCSS

$custom: #66708a;
$custom-light: #9299ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66708a",
  "rgb": {
    "r": 102,
    "g": 112,
    "b": 138
  },
  "hsl": {
    "h": 223.333,
    "s": 15,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54648,
    "c": 0.04244,
    "h": 268.5
  },
  "luminance": 0.16248
}

Semantic roles & 50–950 ramp

primary

#66708A

secondary

#AFAA9D

accent

#A470B8

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0D10

muted

#7E7E7F

Preview Lab

Preview with #66708A

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

Preview Lab → · Contrast checker → · Palette generator →