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#173e65 color: Blue Opal

#173e65 is rgb(23, 62, 101) in RGB and oklch(35.725% 0.08083 251.148) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

210°
100%

35.7%
0.081
251°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 60%

Inside sRGB: displays the same on any screen.

White text
10.98:1Readable · AA
Lc -99
Black text
1.91:1Hard to read
Lc 9

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About #173e65

#173e65 is a soft dark blue color. In OKLCH it has 35.7% lightness, 0.081 chroma and a hue of 251°.

Inside sRGB: displays the same on any screen.

White text on it reaches 10.98:1 contrast and black text 1.91:1, so white text reads better.

The closest named color is Blue Opal (#124168). In Tailwind CSS the closest color is sky-900.

More dark blue colors

Lighter: #173e65 mixed with white

  1. 173e65
  2. 2e5074
  3. 436283
  4. 597492
  5. 6f87a1
  6. 869ab1
  7. 9daec0
  8. b5c2d0
  9. cdd6df
  10. e6eaef

Darker: #173e65 mixed with black

  1. 173e65
  2. 123557
  3. 0e2b49
  4. 0a233c
  5. 061a2f
  6. 041222
  7. 020a17
  8. 01040c
  9. 000103
  10. 000000

Calmer: #173e65 with less saturation

  1. 173e65
  2. 1c3e61
  3. 213e5d
  4. 253e59
  5. 293e55
  6. 2c3e51
  7. 303e4d
  8. 333d49
  9. 363d45
  10. 393d41

Questions about #173e65

What color is #173e65?

#173e65 is soft dark blue. The closest named color is Blue Opal. In RGB it is rgb(23, 62, 101), in HSL hsl(210, 62.9%, 24.31%) and in OKLCH oklch(35.725% 0.08083 251.148).

What colors go well with #173e65?

The complementary color of #173e65 is #563400. For a calmer combination use the analogous colors #00455a and #363665. The triadic partners are #5f2832 and #2d4512.

Is white or black text more readable on #173e65?

White text reads better on #173e65: white gives a contrast ratio of 10.98:1 and black gives 1.91:1. WCAG AA asks for at least 4.5:1 for body text.

Is #173e65 a warm or cool color?

#173e65 is a cool color. In OKLCH its hue is 251 degrees, its lightness 35.7% and its chroma 0.081.