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#647bc2 color: Ultramarine Blue

#647bc2 is rgb(100, 123, 194) in RGB and oklch(59.615% 0.11208 269.214) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

225°
100%

59.6%
0.112
269°
  • Blue
  • Medium
  • Soft
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 24%

Inside sRGB: displays the same on any screen.

White text
4.07:1Hard to read
Lc -73
Black text
5.15:1Readable · AA
Lc 36

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About #647bc2

#647bc2 is a soft blue color. In OKLCH it has 59.6% lightness, 0.112 chroma and a hue of 269°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.07:1 contrast and black text 5.15:1, 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: #647bc2 mixed with white

  1. 647bc2
  2. 7288c9
  3. 8195cf
  4. 90a2d6
  5. 9fafdc
  6. aebce2
  7. bec9e8
  8. ced7ee
  9. dee4f4
  10. eef1fa

Darker: #647bc2 mixed with black

  1. 647bc2
  2. 566aa8
  3. 485a8f
  4. 3b4a77
  5. 2e3a60
  6. 222c49
  7. 161e34
  8. 0b1020
  9. 03050e
  10. 000102

Calmer: #647bc2 with less saturation

  1. 647bc2
  2. 677cbc
  3. 697db5
  4. 6c7dae
  5. 6f7ea8
  6. 717ea1
  7. 747e9b
  8. 777f94
  9. 797f8d
  10. 7c7f86

Questions about #647bc2

What color is #647bc2?

#647bc2 is soft blue. The closest named color is Ultramarine Blue. In RGB it is rgb(100, 123, 194), in HSL hsl(225.32, 43.52%, 57.65%) and in OKLCH oklch(59.615% 0.11208 269.214).

What colors go well with #647bc2?

The complementary color of #647bc2 is #9a7b1d. For a calmer combination use the analogous colors #3287ba and #896fb8. The triadic partners are #b86357 and #499159.

Is white or black text more readable on #647bc2?

White text reads better on #647bc2: white gives a contrast ratio of 4.07:1 and black gives 5.15:1. WCAG AA asks for at least 4.5:1 for body text.

Is #647bc2 a warm or cool color?

#647bc2 is a cool color. In OKLCH its hue is 269 degrees, its lightness 59.6% and its chroma 0.112.