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#669bf3 color: Guilliman Blue

#669bf3 is rgb(102, 155, 243) in RGB and oklch(69.154% 0.14208 260.054) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

217°
100%

69.2%
0.142
260°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Azure
  • blue-400
  • Black 5%

Inside sRGB: displays the same on any screen.

White text
2.78:1Hard to read
Lc -59
Black text
7.55:1Readable · AA
Lc 51

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About #669bf3

#669bf3 is a bright blue color. In OKLCH it has 69.2% lightness, 0.142 chroma and a hue of 260°.

Inside sRGB: displays the same on any screen.

White text on it reaches 2.78:1 contrast and black text 7.55:1, so black text reads better.

The closest named color is Guilliman Blue (#6495ed). In Tailwind CSS the closest color is blue-400.

More medium blue colors

Lighter: #669bf3 mixed with white

  1. 669bf3
  2. 75a5f5
  3. 84b0f7
  4. 93baf9
  5. a3c4fa
  6. b2cefc
  7. c1d8fd
  8. d0e2fe
  9. e0ebfe
  10. eff5ff

Darker: #669bf3 mixed with black

  1. 669bf3
  2. 5886d3
  3. 4a72b4
  4. 3c5e97
  5. 2f4b7a
  6. 23395e
  7. 172844
  8. 0c182b
  9. 040914
  10. 000103

Calmer: #669bf3 with less saturation

  1. 669bf3
  2. 6c9ceb
  3. 729ce2
  4. 779dda
  5. 7d9dd1
  6. 829dc8
  7. 889dc0
  8. 8d9db7
  9. 929dae
  10. 979ca5

Questions about #669bf3

What color is #669bf3?

#669bf3 is bright blue. The closest named color is Guilliman Blue. In RGB it is rgb(102, 155, 243), in HSL hsl(217.45, 85.45%, 67.65%) and in OKLCH oklch(69.154% 0.14208 260.054).

What colors go well with #669bf3?

The complementary color of #669bf3 is #c99006. For a calmer combination use the analogous colors #00aae2 and #9c8bed. The triadic partners are #e67477 and #69b159.

Is white or black text more readable on #669bf3?

Black text reads better on #669bf3: white gives a contrast ratio of 2.78:1 and black gives 7.55:1. WCAG AA asks for at least 4.5:1 for body text.

Is #669bf3 a warm or cool color?

#669bf3 is a cool color. In OKLCH its hue is 260 degrees, its lightness 69.2% and its chroma 0.142.