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#155a99 color: Suddenly Sapphire

#155a99 is rgb(21, 90, 153) in RGB and oklch(46.086% 0.12151 251.062) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

209°
100%

46.1%
0.122
251°
  • Blue
  • Dark
  • Vivid
  • Deep
  • Cool
  • ≈ Denim
  • sky-800
  • Black 40%

Inside sRGB: displays the same on any screen.

White text
7.11:1Readable · AA
Lc -89
Black text
2.95:1Hard to read
Lc 20

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About #155a99

#155a99 is a deep dark blue color. In OKLCH it has 46.1% lightness, 0.122 chroma and a hue of 251°.

Inside sRGB: displays the same on any screen.

White text on it reaches 7.11:1 contrast and black text 2.95:1, 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: #155a99 mixed with white

  1. 155a99
  2. 316aa4
  3. 497aae
  4. 5f8ab9
  5. 769bc3
  6. 8cabcd
  7. a2bcd8
  8. b9cce2
  9. d0ddeb
  10. e7eef5

Darker: #155a99 mixed with black

  1. 155a99
  2. 114d84
  3. 0c4170
  4. 08355d
  5. 05294a
  6. 031e38
  7. 021327
  8. 010917
  9. 000308
  10. 000001

Calmer: #155a99 with less saturation

  1. 155a99
  2. 215a93
  3. 2a5b8c
  4. 315b86
  5. 385b80
  6. 3e5b79
  7. 445a73
  8. 495a6c
  9. 4e5a66
  10. 53595f

Questions about #155a99

What color is #155a99?

#155a99 is deep dark blue. The closest named color is Suddenly Sapphire. In RGB it is rgb(21, 90, 153), in HSL hsl(208.64, 75.86%, 34.12%) and in OKLCH oklch(46.086% 0.12151 251.062).

What colors go well with #155a99?

The complementary color of #155a99 is #804a00. For a calmer combination use the analogous colors #006481 and #4e4d9a. The triadic partners are #8f3547 and #3f6509.

Is white or black text more readable on #155a99?

White text reads better on #155a99: white gives a contrast ratio of 7.11:1 and black gives 2.95:1. WCAG AA asks for at least 4.5:1 for body text.

Is #155a99 a warm or cool color?

#155a99 is a cool color. In OKLCH its hue is 251 degrees, its lightness 46.1% and its chroma 0.122.