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#183f67 color: Blue Opal

#183f67 is rgb(24, 63, 103) in RGB and oklch(36.152% 0.08217 251.635) in OKLCH. Every other format, shade and contrast value is below.

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210°
100%

36.2%
0.082
252°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 60%

Inside sRGB: displays the same on any screen.

White text
10.79:1Readable · AA
Lc -99
Black text
1.95:1Hard to read
Lc 9

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About #183f67

#183f67 is a soft dark blue color. In OKLCH it has 36.2% lightness, 0.082 chroma and a hue of 252°.

Inside sRGB: displays the same on any screen.

White text on it reaches 10.79:1 contrast and black text 1.95:1, 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: #183f67 mixed with white

  1. 183f67
  2. 2e5176
  3. 446385
  4. 5a7594
  5. 7088a3
  6. 869bb2
  7. 9eaec1
  8. b5c2d0
  9. cdd6e0
  10. e6eaef

Darker: #183f67 mixed with black

  1. 183f67
  2. 133559
  3. 0f2c4b
  4. 0a233d
  5. 071b30
  6. 041223
  7. 020a17
  8. 01040c
  9. 000104
  10. 000000

Calmer: #183f67 with less saturation

  1. 183f67
  2. 1d3f63
  3. 223f5f
  4. 263f5b
  5. 2a3f57
  6. 2d3f53
  7. 313f4f
  8. 343f4a
  9. 373e46
  10. 3a3e42

Questions about #183f67

What color is #183f67?

#183f67 is soft dark blue. The closest named color is Blue Opal. In RGB it is rgb(24, 63, 103), in HSL hsl(210.38, 62.2%, 24.9%) and in OKLCH oklch(36.152% 0.08217 251.635).

What colors go well with #183f67?

The complementary color of #183f67 is #583500. For a calmer combination use the analogous colors #00465c and #373767. The triadic partners are #612932 and #2d4613.

Is white or black text more readable on #183f67?

White text reads better on #183f67: white gives a contrast ratio of 10.79:1 and black gives 1.95:1. WCAG AA asks for at least 4.5:1 for body text.

Is #183f67 a warm or cool color?

#183f67 is a cool color. In OKLCH its hue is 252 degrees, its lightness 36.2% and its chroma 0.082.