#305B51

Color Details

HEX
#305B51
RGB
rgb(48, 91, 81)
HSL
hsl(166, 31%, 27%)
CMYK
cmyk(47%, 0%, 11%, 64%)
Best text on this color #FFFFFF (CR 7.66:1) Determined by WCAG contrast ratio

Readability Previews

Black on #305b51
Contrast 2.74:1 Fail
White on #305b51
Contrast 7.66:1 AAA
#305b51 on Black
Contrast 2.74:1 Fail
#305b51 on White
Contrast 7.66:1 AAA

Tints & Shades

#597c74
#839d97
#acbdb9
#264941
#1d3731
#132420

Complement & Analogous

#5a3039
#304f5a
#305a3b

Triadic

#50305a
#5a5030

Monochrome

#132420 #1d3731 #305b51 #839d97 #acbdb9 #d6dedc

Analogous

#305a3b #6e8c76 #305b51 #59727b #304f5a #263f48

Complementary Mix

#1d3731 #305b51 #839d97 #5a3039 #94787e #3b1f25

Nearby Colors

#305b50
#305b52
#305b41
#305b61

Embed #305B51 swatch

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About #305B51

#305B51 converts to RGB(48, 91, 81) and HSL(166, 31%, 27%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#305B51 FAQs

What is the RGB value of #305B51?
RGB: 48, 91, 81. Copy as CSS: rgb(48, 91, 81)
Is #305B51 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #305B51?
Complement: #5a3039.
Does #305B51 have good contrast on white or black?
On white: 7.66:1 (AAA (normal text)). On black: 2.74:1 (Fails AA).