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#669dd3 color: Blue Electress

#669dd3 is rgb(102, 157, 211) in RGB and oklch(67.971% 0.09929 249.046) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

210°
100%

68%
0.099
249°
  • Blue
  • Medium
  • Soft
  • Cool
  • ≈ Steel blue
  • slate-400
  • Black 17%

Inside sRGB: displays the same on any screen.

White text
2.87:1Hard to read
Lc -60
Black text
7.33:1Readable · AA
Lc 49

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About #669dd3

#669dd3 is a soft blue color. In OKLCH it has 68% lightness, 0.099 chroma and a hue of 249°.

Inside sRGB: displays the same on any screen.

White text on it reaches 2.87:1 contrast and black text 7.33:1, so black text reads better.

The closest named color is Blue Electress (#6d9fd1). In Tailwind CSS the closest color is slate-400.

More medium blue colors

Lighter: #669dd3 mixed with white

  1. 669dd3
  2. 75a7d8
  3. 85b1dd
  4. 94bae1
  5. a3c4e6
  6. b2ceea
  7. c1d8ef
  8. d1e1f3
  9. e0ebf7
  10. eff5fb

Darker: #669dd3 mixed with black

  1. 669dd3
  2. 5888b7
  3. 4a739c
  4. 3c5f82
  5. 2f4c69
  6. 233a51
  7. 17283a
  8. 0c1824
  9. 040910
  10. 000102

Calmer: #669dd3 with less saturation

  1. 669dd3
  2. 6c9dcd
  3. 719cc8
  4. 779cc2
  5. 7c9cbc
  6. 819bb6
  7. 869bb0
  8. 8b9aaa
  9. 8f9aa4
  10. 94999e

Questions about #669dd3

What color is #669dd3?

#669dd3 is soft blue. The closest named color is Blue Electress. In RGB it is rgb(102, 157, 211), in HSL hsl(209.72, 55.33%, 61.37%) and in OKLCH oklch(67.971% 0.09929 249.046).

What colors go well with #669dd3?

The complementary color of #669dd3 is #c08d51. For a calmer combination use the analogous colors #43a7c2 and #8b92d5. The triadic partners are #cd7e8b and #85a461.

Is white or black text more readable on #669dd3?

Black text reads better on #669dd3: white gives a contrast ratio of 2.87:1 and black gives 7.33:1. WCAG AA asks for at least 4.5:1 for body text.

Is #669dd3 a warm or cool color?

#669dd3 is a cool color. In OKLCH its hue is 249 degrees, its lightness 68% and its chroma 0.099.