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#166ab4 color: Beautiful Blue

#166ab4 is rgb(22, 106, 180) in RGB and oklch(51.676% 0.13885 250.854) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

208°
100%

51.7%
0.139
251°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Denim
  • sky-700
  • Black 29%

Inside sRGB: displays the same on any screen.

White text
5.59:1Readable · AA
Lc -83
Black text
3.75:1Hard to read
Lc 27

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About #166ab4

#166ab4 is a bright blue color. In OKLCH it has 51.7% lightness, 0.139 chroma and a hue of 251°.

Inside sRGB: displays the same on any screen.

White text on it reaches 5.59:1 contrast and black text 3.75:1, so white text reads better.

The closest named color is Beautiful Blue (#186db6). In Tailwind CSS the closest color is sky-700.

More medium blue colors

Lighter: #166ab4 mixed with white

  1. 166ab4
  2. 3579bc
  3. 4d88c4
  4. 6497cc
  5. 7aa6d4
  6. 90b4dc
  7. a6c3e3
  8. bcd2ea
  9. d2e1f1
  10. e8f0f8

Darker: #166ab4 mixed with black

  1. 166ab4
  2. 125b9c
  3. 0d4d85
  4. 093f6e
  5. 063158
  6. 032444
  7. 021830
  8. 010d1d
  9. 00040c
  10. 000002

Calmer: #166ab4 with less saturation

  1. 166ab4
  2. 256aad
  3. 306ba5
  4. 3a6b9e
  5. 426b96
  6. 496b8f
  7. 506b87
  8. 566a80
  9. 5c6978
  10. 626970

Questions about #166ab4

What color is #166ab4?

#166ab4 is bright blue. The closest named color is Beautiful Blue. In RGB it is rgb(22, 106, 180), in HSL hsl(208.1, 78.22%, 39.61%) and in OKLCH oklch(51.676% 0.13885 250.854).

What colors go well with #166ab4?

The complementary color of #166ab4 is #965700. For a calmer combination use the analogous colors #007696 and #5c5bb5. The triadic partners are #a83f54 and #4b7705.

Is white or black text more readable on #166ab4?

White text reads better on #166ab4: white gives a contrast ratio of 5.59:1 and black gives 3.75:1. WCAG AA asks for at least 4.5:1 for body text.

Is #166ab4 a warm or cool color?

#166ab4 is a cool color. In OKLCH its hue is 251 degrees, its lightness 51.7% and its chroma 0.139.