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#21306f color: Atlantic Navy

#21306f is rgb(33, 48, 111) in RGB and oklch(33.601% 0.11055 269.482) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

228°
100%

33.6%
0.111
269°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Midnight blue
  • indigo-900
  • Black 56%

Inside sRGB: displays the same on any screen.

White text
12.23:1Readable · AA
Lc -101
Black text
1.72:1Hard to read
Lc 0

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About #21306f

#21306f is a soft dark blue color. In OKLCH it has 33.6% lightness, 0.111 chroma and a hue of 269°.

Inside sRGB: displays the same on any screen.

White text on it reaches 12.23:1 contrast and black text 1.72:1, so white text reads better.

The closest named color is Atlantic Navy (#13336f). In Tailwind CSS the closest color is indigo-900.

More dark blue colors

Lighter: #21306f mixed with white

  1. 21306f
  2. 33447e
  3. 47578c
  4. 5b6b9b
  5. 717fa9
  6. 8794b7
  7. 9ea8c6
  8. b5bed4
  9. cdd3e2
  10. e6e9f1

Darker: #21306f mixed with black

  1. 21306f
  2. 1b2860
  3. 162151
  4. 101a42
  5. 0b1334
  6. 060c27
  7. 03061a
  8. 01030e
  9. 000104
  10. 000001

Calmer: #21306f with less saturation

  1. 21306f
  2. 23316a
  3. 253364
  4. 27345f
  5. 293559
  6. 2b3554
  7. 2e364e
  8. 303648
  9. 323743
  10. 35373d

Questions about #21306f

What color is #21306f?

#21306f is soft dark blue. The closest named color is Atlantic Navy. In RGB it is rgb(33, 48, 111), in HSL hsl(228.46, 54.17%, 28.24%) and in OKLCH oklch(33.601% 0.11055 269.482).

What colors go well with #21306f?

The complementary color of #21306f is #493300. For a calmer combination use the analogous colors #003b66 and #402567. The triadic partners are #641710 and #004512.

Is white or black text more readable on #21306f?

White text reads better on #21306f: white gives a contrast ratio of 12.23:1 and black gives 1.72:1. WCAG AA asks for at least 4.5:1 for body text.

Is #21306f a warm or cool color?

#21306f is a cool color. In OKLCH its hue is 269 degrees, its lightness 33.6% and its chroma 0.111.