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#243b6f color: Blue Expanse

#243b6f is rgb(36, 59, 111) in RGB and oklch(36.284% 0.09434 264.277) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

222°
100%

36.3%
0.094
264°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 56%

Inside sRGB: displays the same on any screen.

White text
10.88:1Readable · AA
Lc -99
Black text
1.93:1Hard to read
Lc 9

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About #243b6f

#243b6f is a soft dark blue color. In OKLCH it has 36.3% lightness, 0.094 chroma and a hue of 264°.

Inside sRGB: displays the same on any screen.

White text on it reaches 10.88:1 contrast and black text 1.93:1, so white text reads better.

The closest named color is Blue Expanse (#253f74). In Tailwind CSS the closest color is sky-900.

More dark blue colors

Lighter: #243b6f mixed with white

  1. 243b6f
  2. 374d7d
  3. 4b608c
  4. 5f729a
  5. 7486a8
  6. 8a99b7
  7. a1adc5
  8. b7c1d3
  9. cfd5e2
  10. e7eaf0

Darker: #243b6f mixed with black

  1. 243b6f
  2. 1e3260
  3. 182951
  4. 122142
  5. 0c1934
  6. 071127
  7. 04091a
  8. 02040e
  9. 000104
  10. 000001

Calmer: #243b6f with less saturation

  1. 243b6f
  2. 273c6a
  3. 293c65
  4. 2c3d61
  5. 2f3d5c
  6. 313e57
  7. 343e52
  8. 363e4d
  9. 393e48
  10. 3b3e43

Questions about #243b6f

What color is #243b6f?

#243b6f is soft dark blue. The closest named color is Blue Expanse. In RGB it is rgb(36, 59, 111), in HSL hsl(221.6, 51.02%, 28.82%) and in OKLCH oklch(36.284% 0.09434 264.277).

What colors go well with #243b6f?

The complementary color of #243b6f is #543800. For a calmer combination use the analogous colors #004467 and #42326a. The triadic partners are #672624 and #174a1a.

Is white or black text more readable on #243b6f?

White text reads better on #243b6f: white gives a contrast ratio of 10.88:1 and black gives 1.93:1. WCAG AA asks for at least 4.5:1 for body text.

Is #243b6f a warm or cool color?

#243b6f is a cool color. In OKLCH its hue is 264 degrees, its lightness 36.3% and its chroma 0.094.