#66718A#66718A

#66718A is a mid, muted blue. Relative luminance 0.165; OKLCH L 54.9% C 0.041 H 266.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#66718A
RGB	rgb(102, 113, 138)
HSL	hsl(222, 15%, 47%)
HSV	hsv(222, 26%, 54%)
CMYK	cmyk(26.1%, 18.1%, 0%, 45.9%)
CIE-LAB	lab(47.58, 1.84, -15.05)
CIE-LCH	lch(47.58, 15.16, 276.96°)
OKLab	oklab(54.87% -0.0026 -0.0412)
OKLCH	oklch(54.87% 0.041 266.4)
XYZ	xyz(15.9708, 16.4696, 26.3773)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66718A #8A7F66

analogous

#66838A #66718A #6D668A

triadic

#66718A #8A6671 #718A66

tetradic

#66718A #8A6683 #8A7F66 #668A6D

square

#66718A #8A6683 #8A7F66 #668A6D

split-complementary

#66718A #8A6D66 #838A66

monochromatic

#323744 #4C5467 #66718A #8791A6 #AAB1C0

Accessibility & contrast

On white

4.89

#66718A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#66718A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66718A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66718A	#FFFFFF	#000000	##FFFFFF
##66718A	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69738B

Deuteranopia (green-blind)

#666F89

Tritanopia (blue-blind)

#5D7679

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #66718a;
/* rgb */ color: rgb(102, 113, 138);
/* oklch */ color: oklch(54.9% 0.041 266.4);

Tailwind

colors: {
  custom: {
    50: '#9299ac',
    500: '#66718a',
    950: '#000000',
  },
}

SCSS

$custom: #66718a;
$custom-light: #9299ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66718a",
  "rgb": {
    "r": 102,
    "g": 113,
    "b": 138
  },
  "hsl": {
    "h": 221.667,
    "s": 15,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54872,
    "c": 0.04129,
    "h": 266.4
  },
  "luminance": 0.1647
}

Semantic roles & 50–950 ramp

primary

#66718A

secondary

#AFAA9D

accent

#A270B8

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0E10

muted

#7E7E7F

Preview Lab

Preview with #66718A

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

Preview Lab → · Contrast checker → · Palette generator →