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#243f8a color: Blue Oblivion

#243f8a is rgb(36, 63, 138) in RGB and oklch(39.255% 0.12939 265.748) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

224°
100%

39.3%
0.129
266°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Cobalt
  • blue-900
  • Black 46%

Inside sRGB: displays the same on any screen.

White text
9.75:1Readable · AA
Lc -96
Black text
2.15:1Hard to read
Lc 12

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About #243f8a

#243f8a is a soft dark blue color. In OKLCH it has 39.3% lightness, 0.129 chroma and a hue of 266°.

Inside sRGB: displays the same on any screen.

White text on it reaches 9.75:1 contrast and black text 2.15:1, so white text reads better.

The closest named color is Blue Oblivion (#26428b). In Tailwind CSS the closest color is blue-900.

More dark blue colors

Lighter: #243f8a mixed with white

  1. 243f8a
  2. 375296
  3. 4b65a3
  4. 5f77af
  5. 748abb
  6. 8a9dc6
  7. a1b0d2
  8. b7c3dd
  9. cfd7e9
  10. e7ebf4

Darker: #243f8a mixed with black

  1. 243f8a
  2. 1e3577
  3. 182c65
  4. 122353
  5. 0c1b42
  6. 071232
  7. 040a22
  8. 020414
  9. 000107
  10. 000001

Calmer: #243f8a with less saturation

  1. 243f8a
  2. 274183
  3. 2b427d
  4. 2e4376
  5. 32446f
  6. 354569
  7. 384562
  8. 3c455b
  9. 3f4654
  10. 42464d

Questions about #243f8a

What color is #243f8a?

#243f8a is soft dark blue. The closest named color is Blue Oblivion. In RGB it is rgb(36, 63, 138), in HSL hsl(224.12, 58.62%, 34.12%) and in OKLCH oklch(39.255% 0.12939 265.748).

What colors go well with #243f8a?

The complementary color of #243f8a is #5d4000. For a calmer combination use the analogous colors #004c78 and #4d3282. The triadic partners are #7d1e1e and #00560f.

Is white or black text more readable on #243f8a?

White text reads better on #243f8a: white gives a contrast ratio of 9.75:1 and black gives 2.15:1. WCAG AA asks for at least 4.5:1 for body text.

Is #243f8a a warm or cool color?

#243f8a is a cool color. In OKLCH its hue is 266 degrees, its lightness 39.3% and its chroma 0.129.