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#243f7b color: Mazarine Blue

#243f7b is rgb(36, 63, 123) in RGB and oklch(38.094% 0.10724 263.833) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

221°
100%

38.1%
0.107
264°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Cobalt
  • blue-900
  • Black 52%

Inside sRGB: displays the same on any screen.

White text
10.13:1Readable · AA
Lc -97
Black text
2.07:1Hard to read
Lc 11

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About #243f7b

#243f7b is a soft dark blue color. In OKLCH it has 38.1% lightness, 0.107 chroma and a hue of 264°.

Inside sRGB: displays the same on any screen.

White text on it reaches 10.13:1 contrast and black text 2.07:1, so white text reads better.

The closest named color is Mazarine Blue (#2a407e). In Tailwind CSS the closest color is blue-900.

More dark blue colors

Lighter: #243f7b mixed with white

  1. 243f7b
  2. 375188
  3. 4b6496
  4. 6076a3
  5. 7589b0
  6. 8b9cbe
  7. a1afcb
  8. b8c3d8
  9. cfd6e5
  10. e7ebf2

Darker: #243f7b mixed with black

  1. 243f7b
  2. 1e356a
  3. 182c5a
  4. 12234a
  5. 0c1b3a
  6. 07122c
  7. 040a1e
  8. 020410
  9. 000105
  10. 000001

Calmer: #243f7b with less saturation

  1. 243f7b
  2. 274076
  3. 2b4170
  4. 2e416b
  5. 314265
  6. 34425f
  7. 37435a
  8. 3a4354
  9. 3d434e
  10. 404349

Questions about #243f7b

What color is #243f7b?

#243f7b is soft dark blue. The closest named color is Mazarine Blue. In RGB it is rgb(36, 63, 123), in HSL hsl(221.38, 54.72%, 31.18%) and in OKLCH oklch(38.094% 0.10724 263.833).

What colors go well with #243f7b?

The complementary color of #243f7b is #5b3c00. For a calmer combination use the analogous colors #004a71 and #473475. The triadic partners are #712525 and #145017.

Is white or black text more readable on #243f7b?

White text reads better on #243f7b: white gives a contrast ratio of 10.13:1 and black gives 2.07:1. WCAG AA asks for at least 4.5:1 for body text.

Is #243f7b a warm or cool color?

#243f7b is a cool color. In OKLCH its hue is 264 degrees, its lightness 38.1% and its chroma 0.107.