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#155b99 color: Suddenly Sapphire

#155b99 is rgb(21, 91, 153) in RGB and oklch(46.327% 0.1204 250.456) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

208°
100%

46.3%
0.120
250°
  • Blue
  • Dark
  • Vivid
  • Deep
  • Cool
  • ≈ Denim
  • sky-800
  • Black 40%

Inside sRGB: displays the same on any screen.

White text
7.03:1Readable · AA
Lc -89
Black text
2.99:1Hard to read
Lc 20

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About #155b99

#155b99 is a deep dark blue color. In OKLCH it has 46.3% lightness, 0.12 chroma and a hue of 250°.

Inside sRGB: displays the same on any screen.

White text on it reaches 7.03:1 contrast and black text 2.99:1, so white text reads better.

The closest named color is Suddenly Sapphire (#1a5897). In Tailwind CSS the closest color is sky-800.

More dark blue colors

Lighter: #155b99 mixed with white

  1. 155b99
  2. 326ba4
  3. 497bae
  4. 608bb9
  5. 769bc3
  6. 8caccd
  7. a3bcd7
  8. b9cde2
  9. d0ddeb
  10. e7eef5

Darker: #155b99 mixed with black

  1. 155b99
  2. 114e84
  3. 0c4170
  4. 08355d
  5. 05294a
  6. 031e38
  7. 021327
  8. 010917
  9. 000308
  10. 000001

Calmer: #155b99 with less saturation

  1. 155b99
  2. 215b93
  3. 2a5c8d
  4. 325c86
  5. 395c80
  6. 3f5b7a
  7. 455b73
  8. 4a5b6d
  9. 4f5a66
  10. 545a60

Questions about #155b99

What color is #155b99?

#155b99 is deep dark blue. The closest named color is Suddenly Sapphire. In RGB it is rgb(21, 91, 153), in HSL hsl(208.18, 75.86%, 34.12%) and in OKLCH oklch(46.327% 0.1204 250.456).

What colors go well with #155b99?

The complementary color of #155b99 is #824a00. For a calmer combination use the analogous colors #006582 and #4e4e9a. The triadic partners are #8f3749 and #41650a.

Is white or black text more readable on #155b99?

White text reads better on #155b99: white gives a contrast ratio of 7.03:1 and black gives 2.99:1. WCAG AA asks for at least 4.5:1 for body text.

Is #155b99 a warm or cool color?

#155b99 is a cool color. In OKLCH its hue is 250 degrees, its lightness 46.3% and its chroma 0.12.