#66738E

Accessibility

4.76:1

Vs white / black

4.76:1 · 4.41:1

Sources

Library color

Click any stop to open

Codes

Formats

HEX

#66738e

RGB

rgb(102, 115, 142)

RGBA

rgba(102, 115, 142, 1)

HSL

hsl(221, 16%, 48%)

HSV

hsv(221, 28%, 56%)

LAB

lab(48.31% 1.68 -16.31)

LCH

lch(48.31% 16.4 275.88)

OKLAB

oklab(0.5549 -0.0041 -0.0448)

OKLCH

oklch(0.5549 0.045 264.77)

XYZ

xyz(16.49, 17.04, 28.01)

CMYK

cmyk(28%, 19%, 0%, 44%)

CSS

color: #66738e;

CSS variable

--color-66738e: #66738e;

SCSS

$color-66738e: #66738e;

Tailwind

blue-500

Export

Developer code

:root {
  --#66738e-1: #66738e;
}

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f2f3f6 e6e8ec d9dce3 ccd0d9 bfc5d0 b3b9c7 a6adbd 99a2b4 8c96aa 808aa1 737f97 66738e 5e6982 556076 4d566b 444d5f 3b4353 333a47 2a303b 22262f 1a1d24 111318 090a0c

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f2f3f6 e6e8ec d9dce3 ccd0d9 bfc5d0 b3b9c7 a6adbd 99a2b4 8c96aa 808aa1 737f97

Palette

Shades

Mixed toward black — depth, text, and emphasis

5e6982 556076 4d566b 444d5f 3b4353 333a47 2a303b 22262f 1a1d24 111318 090a0c

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

68748d 6a758c 6d768b 6f7789 717888 737a87 757b86 777c85 7a7d84 7c7e82 7e7f81

Harmony

Complementary

Opposite on the color wheel for contrast

#66738EStop 1 #8E8267Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#67878EStop 1 #66738EStop 2 #6E678EStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#66738EStop 1 #8E6773Stop 2 #738E67Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#66738EStop 1 #8E6E67Stop 2 #878E67Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2B303BStop 1 #4B5468Stop 2 #6B7894Stop 3 #97A1B4Stop 4 #C4C9D4Stop 5

Meaning

Color psychology

Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare.

Common uses: primary buttons, chart series, status badges, marketing gradients, and brand accents in the Blue family.

Similar & related colors

Nearby colors from the library by perceptual distance

Tailwind slate 500#64748B Chakra gray 500#718096 SlateGray#708090 LightSlateGray#778899 Bootstrap secondary#6C757D Material You Secondary#625B71 Spectrum #3B6787#3B6787 Spectrum #4B74A0#4B74A0 Fill Tertiary#787880 Spectrum #38728F#38728F Chakra gray 600#4A5568 Tailwind slate 600#475569