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#337dd8 color: Soothing Sapphire

#337dd8 is rgb(51, 125, 216) in RGB and oklch(59.014% 0.15714 255.493) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

213°
100%

59%
0.157
255°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Royal blue
  • sky-600
  • Black 15%

Inside sRGB: displays the same on any screen.

White text
4.15:1Hard to read
Lc -74
Black text
5.07:1Readable · AA
Lc 36

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About #337dd8

#337dd8 is a bright blue color. In OKLCH it has 59% lightness, 0.157 chroma and a hue of 255°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.15:1 contrast and black text 5.07:1, so white text reads better.

The closest named color is Soothing Sapphire (#307dd3). In Tailwind CSS the closest color is sky-600.

More medium blue colors

Lighter: #337dd8 mixed with white

  1. 337dd8
  2. 4a8bdd
  3. 5f98e2
  4. 73a5e6
  5. 87b2eb
  6. 9bbfef
  7. afccf2
  8. c2d9f6
  9. d7e5f9
  10. ebf2fc

Darker: #337dd8 mixed with black

  1. 337dd8
  2. 2b6cbc
  3. 235ba0
  4. 1c4b85
  5. 143b6b
  6. 0d2c53
  7. 071e3b
  8. 031125
  9. 010511
  10. 000102

Calmer: #337dd8 with less saturation

  1. 337dd8
  2. 3d7ecf
  3. 467fc6
  4. 4f7fbe
  5. 567fb5
  6. 5e7fac
  7. 647fa3
  8. 6b7f99
  9. 717f90
  10. 777e87

Questions about #337dd8

What color is #337dd8?

#337dd8 is bright blue. The closest named color is Soothing Sapphire. In RGB it is rgb(51, 125, 216), in HSL hsl(213.09, 67.9%, 52.35%) and in OKLCH oklch(59.014% 0.15714 255.493).

What colors go well with #337dd8?

The complementary color of #337dd8 is #ad6e00. For a calmer combination use the analogous colors #008cb9 and #776bd5. The triadic partners are #c94d5e and #4f9121.

Is white or black text more readable on #337dd8?

White text reads better on #337dd8: white gives a contrast ratio of 4.15:1 and black gives 5.07:1. WCAG AA asks for at least 4.5:1 for body text.

Is #337dd8 a warm or cool color?

#337dd8 is a cool color. In OKLCH its hue is 255 degrees, its lightness 59% and its chroma 0.157.