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#647bc7 color: Ultramarine Blue

#647bc7 is rgb(100, 123, 199) in RGB and oklch(59.891% 0.11924 269.803) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

226°
100%

59.9%
0.119
270°
  • Blue
  • Medium
  • Soft
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 22%

Inside sRGB: displays the same on any screen.

White text
4.04:1Hard to read
Lc -73
Black text
5.20:1Readable · AA
Lc 37

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About #647bc7

#647bc7 is a soft blue color. In OKLCH it has 59.9% lightness, 0.119 chroma and a hue of 270°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.04:1 contrast and black text 5.2:1, so white text reads better.

The closest named color is Ultramarine Blue (#657abb). In Tailwind CSS the closest color is sky-600.

More medium blue colors

Lighter: #647bc7 mixed with white

  1. 647bc7
  2. 7288cd
  3. 8195d3
  4. 90a2d9
  5. 9fafdf
  6. aebce5
  7. becaea
  8. ced7f0
  9. dee4f5
  10. eef2fa

Darker: #647bc7 mixed with black

  1. 647bc7
  2. 566aad
  3. 485a93
  4. 3b4a7a
  5. 2e3a62
  6. 222c4c
  7. 161e36
  8. 0b1021
  9. 03050e
  10. 000102

Calmer: #647bc7 with less saturation

  1. 647bc7
  2. 677cc0
  3. 697db9
  4. 6c7db2
  5. 6f7eab
  6. 727fa4
  7. 747f9d
  8. 777f96
  9. 7a808f
  10. 7d8087

Questions about #647bc7

What color is #647bc7?

#647bc7 is soft blue. The closest named color is Ultramarine Blue. In RGB it is rgb(100, 123, 199), in HSL hsl(226.06, 46.92%, 58.63%) and in OKLCH oklch(59.891% 0.11924 269.803).

What colors go well with #647bc7?

The complementary color of #647bc7 is #9c7c0d. For a calmer combination use the analogous colors #2b88bf and #8b6ebc. The triadic partners are #bc6254 and #449358.

Is white or black text more readable on #647bc7?

White text reads better on #647bc7: white gives a contrast ratio of 4.04:1 and black gives 5.2:1. WCAG AA asks for at least 4.5:1 for body text.

Is #647bc7 a warm or cool color?

#647bc7 is a cool color. In OKLCH its hue is 270 degrees, its lightness 59.9% and its chroma 0.119.