Skip to the color picker

#283f7c color: Mazarine Blue

#283f7c is rgb(40, 63, 124) in RGB and oklch(38.381% 0.10733 265.979) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

224°
100%

38.4%
0.107
266°
  • Blue
  • Dark
  • Soft
  • Cool
  • ≈ Cobalt
  • blue-900
  • Black 51%

Inside sRGB: displays the same on any screen.

White text
10.04:1Readable · AA
Lc -97
Black text
2.09:1Hard to read
Lc 11

Shades

From lightest to darkest. Click a shade to use it.

Harmonies

Open as palette

Recent

Colors you stop on or copy appear here. They stay on this device.

About #283f7c

#283f7c is a soft dark blue color. In OKLCH it has 38.4% lightness, 0.107 chroma and a hue of 266°.

Inside sRGB: displays the same on any screen.

White text on it reaches 10.04:1 contrast and black text 2.09:1, 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: #283f7c mixed with white

  1. 283f7c
  2. 3b5189
  3. 4e6497
  4. 6276a4
  5. 7789b1
  6. 8c9cbe
  7. a2afcb
  8. b9c3d8
  9. d0d6e5
  10. e7ebf2

Darker: #283f7c mixed with black

  1. 283f7c
  2. 21356b
  3. 1b2c5a
  4. 15234a
  5. 0f1b3b
  6. 09122c
  7. 040a1e
  8. 020411
  9. 010105
  10. 000001

Calmer: #283f7c with less saturation

  1. 283f7c
  2. 2b4077
  3. 2e4171
  4. 30426b
  5. 334266
  6. 364360
  7. 39435b
  8. 3b4355
  9. 3e434f
  10. 414349

Questions about #283f7c

What color is #283f7c?

#283f7c is soft dark blue. The closest named color is Mazarine Blue. In RGB it is rgb(40, 63, 124), in HSL hsl(223.57, 51.22%, 32.16%) and in OKLCH oklch(38.381% 0.10733 265.979).

What colors go well with #283f7c?

The complementary color of #283f7c is #5a3e00. For a calmer combination use the analogous colors #004a74 and #493475. The triadic partners are #722723 and #0e521b.

Is white or black text more readable on #283f7c?

White text reads better on #283f7c: white gives a contrast ratio of 10.04:1 and black gives 2.09:1. WCAG AA asks for at least 4.5:1 for body text.

Is #283f7c a warm or cool color?

#283f7c is a cool color. In OKLCH its hue is 266 degrees, its lightness 38.4% and its chroma 0.107.