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#183e68 color: Blue Opal

#183e68 is rgb(24, 62, 104) in RGB and oklch(35.963% 0.08476 253.16) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

212°
100%

36%
0.085
253°
  • Blue
  • Dark
  • Vivid
  • Deep
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 59%

Inside sRGB: displays the same on any screen.

White text
10.89:1Readable · AA
Lc -99
Black text
1.93:1Hard to read
Lc 9

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About #183e68

#183e68 is a deep dark blue color. In OKLCH it has 36% lightness, 0.085 chroma and a hue of 253°.

Inside sRGB: displays the same on any screen.

White text on it reaches 10.89:1 contrast and black text 1.93:1, 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: #183e68 mixed with white

  1. 183e68
  2. 2e5077
  3. 446286
  4. 597494
  5. 7087a3
  6. 869ab2
  7. 9daec2
  8. b5c2d1
  9. cdd6e0
  10. e6eaef

Darker: #183e68 mixed with black

  1. 183e68
  2. 133559
  3. 0f2b4b
  4. 0a233e
  5. 071a30
  6. 041224
  7. 020a18
  8. 01040c
  9. 000104
  10. 000000

Calmer: #183e68 with less saturation

  1. 183e68
  2. 1d3e64
  3. 223e60
  4. 263e5b
  5. 293e57
  6. 2d3e53
  7. 303e4f
  8. 343e4a
  9. 373e46
  10. 3a3d41

Questions about #183e68

What color is #183e68?

#183e68 is deep dark blue. The closest named color is Blue Opal. In RGB it is rgb(24, 62, 104), in HSL hsl(211.5, 62.5%, 25.1%) and in OKLCH oklch(35.963% 0.08476 253.16).

What colors go well with #183e68?

The complementary color of #183e68 is #573400. For a calmer combination use the analogous colors #00455d and #383668. The triadic partners are #612730 and #2a4612.

Is white or black text more readable on #183e68?

White text reads better on #183e68: white gives a contrast ratio of 10.89:1 and black gives 1.93:1. WCAG AA asks for at least 4.5:1 for body text.

Is #183e68 a warm or cool color?

#183e68 is a cool color. In OKLCH its hue is 253 degrees, its lightness 36% and its chroma 0.085.