Skip to the color picker

#278def color: Bleu de France

#278def is rgb(39, 141, 239) in RGB and oklch(63.684% 0.17205 252.051) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

209°
100%

63.7%
0.172
252°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Azure
  • blue-500
  • Black 6%

Inside sRGB: displays the same on any screen.

White text
3.42:1Hard to read
Lc -67
Black text
6.14:1Readable · AA
Lc 43

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 #278def

#278def is a bright blue color. In OKLCH it has 63.7% lightness, 0.172 chroma and a hue of 252°.

Inside sRGB: displays the same on any screen.

White text on it reaches 3.42:1 contrast and black text 6.14:1, so white text reads better.

The closest named color is Bleu de France (#318ce7). In Tailwind CSS the closest color is blue-500.

More medium blue colors

Lighter: #278def mixed with white

  1. 278def
  2. 4599f2
  3. 5ca5f4
  4. 72b1f7
  5. 87bcf9
  6. 9bc8fa
  7. afd3fc
  8. c3defd
  9. d7e9fe
  10. ebf4ff

Darker: #278def mixed with black

  1. 278def
  2. 207ad0
  3. 1a67b1
  4. 145594
  5. 0e4478
  6. 08335c
  7. 042342
  8. 02142a
  9. 010714
  10. 000103

Calmer: #278def with less saturation

  1. 278def
  2. 388ee5
  3. 468edc
  4. 518fd2
  5. 5b8fc8
  6. 648fbe
  7. 6d8eb4
  8. 758eaa
  9. 7d8da0
  10. 848c96

Questions about #278def

What color is #278def?

#278def is bright blue. The closest named color is Bleu de France. In RGB it is rgb(39, 141, 239), in HSL hsl(209.4, 86.21%, 54.51%) and in OKLCH oklch(63.684% 0.17205 252.051).

What colors go well with #278def?

The complementary color of #278def is #c47800. For a calmer combination use the analogous colors #009cc7 and #7e79ef. The triadic partners are #df556f and #629f10.

Is white or black text more readable on #278def?

White text reads better on #278def: white gives a contrast ratio of 3.42:1 and black gives 6.14:1. WCAG AA asks for at least 4.5:1 for body text.

Is #278def a warm or cool color?

#278def is a cool color. In OKLCH its hue is 252 degrees, its lightness 63.7% and its chroma 0.172.