Cool Denim Blue
A vivid, cool medium teal.
#1587BD
rgb(21, 135, 189)
Color formats
HEX
#1587BD
RGB
rgb(21, 135, 189)
HSL
hsl(199.3, 80%, 41.2%)
HSV
hsv(199.3, 88.9%, 74.1%)
CMYK
cmyk(88.9%, 28.6%, 0%, 25.9%)
Color shades
Lighter tints and darker shades of Cool Denim Blue.
Lightest
#A9DDF5
Lighter
#4DB8EB
Base
#1587BD
Darker
#0B4561
Darkest
#010406
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Cool Denim Blue works
Cool Denim Blue (#1587BD) is a vivid, cool medium teal. 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 Cool Denim Blue — or browse all blues.
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.