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#183d65 color: Blue Opal

#183d65 is rgb(24, 61, 101) in RGB and oklch(35.507% 0.08156 252.64) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

211°
100%

35.5%
0.082
253°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 60%

Inside sRGB: displays the same on any screen.

White text
11.09:1Readable · AA
Lc -99
Black text
1.89:1Hard to read
Lc 9

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About #183d65

#183d65 is a soft dark blue color. In OKLCH it has 35.5% lightness, 0.082 chroma and a hue of 253°.

Inside sRGB: displays the same on any screen.

White text on it reaches 11.09:1 contrast and black text 1.89:1, 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: #183d65 mixed with white

  1. 183d65
  2. 2e4f74
  3. 436183
  4. 597392
  5. 6f86a1
  6. 869ab1
  7. 9dadc0
  8. b5c1d0
  9. cdd5df
  10. e6eaef

Darker: #183d65 mixed with black

  1. 183d65
  2. 133457
  3. 0f2b49
  4. 0a223c
  5. 071a2f
  6. 041222
  7. 020a17
  8. 01040c
  9. 000103
  10. 000000

Calmer: #183d65 with less saturation

  1. 183d65
  2. 1d3d61
  3. 213d5d
  4. 253d59
  5. 293d55
  6. 2c3d51
  7. 303d4d
  8. 333d49
  9. 363d44
  10. 393c40

Questions about #183d65

What color is #183d65?

#183d65 is soft dark blue. The closest named color is Blue Opal. In RGB it is rgb(24, 61, 101), in HSL hsl(211.17, 61.6%, 24.51%) and in OKLCH oklch(35.507% 0.08156 252.64).

What colors go well with #183d65?

The complementary color of #183d65 is #553300. For a calmer combination use the analogous colors #00445a and #363565. The triadic partners are #5f2730 and #2b4413.

Is white or black text more readable on #183d65?

White text reads better on #183d65: white gives a contrast ratio of 11.09:1 and black gives 1.89:1. WCAG AA asks for at least 4.5:1 for body text.

Is #183d65 a warm or cool color?

#183d65 is a cool color. In OKLCH its hue is 253 degrees, its lightness 35.5% and its chroma 0.082.