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#337ad2 color: Soothing Sapphire

#337ad2 is rgb(51, 122, 210) in RGB and oklch(57.971% 0.15265 255.561) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

213°
100%

58%
0.153
256°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Royal blue
  • sky-600
  • Black 18%

Inside sRGB: displays the same on any screen.

White text
4.33:1Hard to read
Lc -75
Black text
4.86:1Readable · AA
Lc 35

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About #337ad2

#337ad2 is a bright blue color. In OKLCH it has 58% lightness, 0.153 chroma and a hue of 256°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.33:1 contrast and black text 4.86:1, 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: #337ad2 mixed with white

  1. 337ad2
  2. 4a88d8
  3. 5e95dd
  4. 72a3e2
  5. 86b0e7
  6. 9abdeb
  7. aecaf0
  8. c2d8f4
  9. d6e5f8
  10. ebf2fc

Darker: #337ad2 mixed with black

  1. 337ad2
  2. 2b69b6
  3. 23599b
  4. 1c4981
  5. 143a68
  6. 0d2b50
  7. 071d39
  8. 031024
  9. 010510
  10. 000102

Calmer: #337ad2 with less saturation

  1. 337ad2
  2. 3d7bc9
  3. 457bc1
  4. 4d7cb8
  5. 557cb0
  6. 5c7ca7
  7. 627c9e
  8. 687c96
  9. 6f7b8d
  10. 747b83

Questions about #337ad2

What color is #337ad2?

#337ad2 is bright blue. The closest named color is Soothing Sapphire. In RGB it is rgb(51, 122, 210), in HSL hsl(213.21, 63.86%, 51.18%) and in OKLCH oklch(57.971% 0.15265 255.561).

What colors go well with #337ad2?

The complementary color of #337ad2 is #a96b00. For a calmer combination use the analogous colors #0088b5 and #7469cf. The triadic partners are #c34c5b and #4e8d22.

Is white or black text more readable on #337ad2?

White text reads better on #337ad2: white gives a contrast ratio of 4.33:1 and black gives 4.86:1. WCAG AA asks for at least 4.5:1 for body text.

Is #337ad2 a warm or cool color?

#337ad2 is a cool color. In OKLCH its hue is 256 degrees, its lightness 58% and its chroma 0.153.