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#21306d color: Atlantic Navy

#21306d is rgb(33, 48, 109) in RGB and oklch(33.434% 0.10751 269.386) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

228°
100%

33.4%
0.108
269°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Midnight blue
  • indigo-900
  • Black 57%

Inside sRGB: displays the same on any screen.

White text
12.29:1Readable · AA
Lc -101
Black text
1.71:1Hard to read
Lc 0

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About #21306d

#21306d is a soft dark blue color. In OKLCH it has 33.4% lightness, 0.108 chroma and a hue of 269°.

Inside sRGB: displays the same on any screen.

White text on it reaches 12.29:1 contrast and black text 1.71:1, 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: #21306d mixed with white

  1. 21306d
  2. 33447c
  3. 47578a
  4. 5b6b99
  5. 717fa8
  6. 8793b6
  7. 9ea8c5
  8. b5bdd3
  9. cdd3e2
  10. e6e9f0

Darker: #21306d mixed with black

  1. 21306d
  2. 1b285e
  3. 16214f
  4. 101a41
  5. 0b1333
  6. 060c26
  7. 030619
  8. 01030d
  9. 000104
  10. 000001

Calmer: #21306d with less saturation

  1. 21306d
  2. 233168
  3. 253362
  4. 27345d
  5. 293458
  6. 2b3552
  7. 2d364d
  8. 303647
  9. 323642
  10. 34363c

Questions about #21306d

What color is #21306d?

#21306d is soft dark blue. The closest named color is Atlantic Navy. In RGB it is rgb(33, 48, 109), in HSL hsl(228.16, 53.52%, 27.84%) and in OKLCH oklch(33.434% 0.10751 269.386).

What colors go well with #21306d?

The complementary color of #21306d is #483300. For a calmer combination use the analogous colors #003b65 and #3f2665. The triadic partners are #621811 and #004513.

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

White text reads better on #21306d: white gives a contrast ratio of 12.29:1 and black gives 1.71:1. WCAG AA asks for at least 4.5:1 for body text.

Is #21306d a warm or cool color?

#21306d is a cool color. In OKLCH its hue is 269 degrees, its lightness 33.4% and its chroma 0.108.