Bright Slate Gray
A muted, cool medium blue.
#658EB4
rgb(101, 142, 180)
Color formats
HEX
#658EB4
RGB
rgb(101, 142, 180)
HSL
hsl(208.9, 34.5%, 55.1%)
HSV
hsv(208.9, 43.9%, 70.6%)
CMYK
cmyk(43.9%, 21.1%, 0%, 29.4%)
Color shades
Lighter tints and darker shades of Bright Slate Gray.
Lightest
#EEF3F7
Lighter
#AAC0D5
Base
#658EB4
Darker
#3B5B78
Darkest
#192734
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Bright Slate Gray works
Bright Slate Gray (#658EB4) is a muted, cool medium blue. Its mid-range lightness makes it a flexible choice for buttons, fills and accents that need to read clearly without overpowering a layout. Its cool undertone lends a calm, trustworthy feel that suits clean, professional interfaces.
Observe the spectrum
More colors related to Bright Slate Gray — or browse all grays.
Color tools
Color Format Converter
Convert any color between HEX, RGB, HSL, HSV, CMYK and OKLCH instantly — and copy ready-to-paste CSS, SCSS or Tailwind.
Color Picker
Pick any color visually and copy accurate HEX, RGB, HSL and CMYK codes — no signup.
Palette Generator
Generate harmonious color palettes from any base color — complementary, analogous, triadic and more, with instant CSS export.
Contrast Checker
Test color contrast against WCAG 2.1 AA/AAA — live pass/fail, font-size rules, and a real component preview.
Shade & Tint Generator
Generate 10–12 step tints and shades from any color — perfect 50–950 UI ramps with CSS and Tailwind export.
Complementary Color Finder
Find the perfect complementary (180° opposite) color for any shade, with HEX/RGB/HSL and contrast info.