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#677bc3 color: Ultramarine Blue

#677bc3 is rgb(103, 123, 195) in RGB and oklch(59.867% 0.11255 270.928) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

227°
100%

59.9%
0.113
271°
  • Indigo
  • Medium
  • Soft
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 24%

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 #677bc3

#677bc3 is a soft indigo color. In OKLCH it has 59.9% lightness, 0.113 chroma and a hue of 271°.

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 indigo colors

Lighter: #677bc3 mixed with white

  1. 677bc3
  2. 7588ca
  3. 8395d0
  4. 92a2d6
  5. a1afdd
  6. b0bce3
  7. bfc9e9
  8. cfd7ee
  9. dfe4f4
  10. eff1fa

Darker: #677bc3 mixed with black

  1. 677bc3
  2. 596aa9
  3. 4b5a90
  4. 3d4a78
  5. 303a60
  6. 232c4a
  7. 171e34
  8. 0c1020
  9. 04050e
  10. 000102

Calmer: #677bc3 with less saturation

  1. 677bc3
  2. 697cbd
  3. 6c7db6
  4. 6e7daf
  5. 717ea9
  6. 737ea2
  7. 767f9b
  8. 787f95
  9. 7b7f8e
  10. 7d8087

Questions about #677bc3

What color is #677bc3?

#677bc3 is soft indigo. The closest named color is Ultramarine Blue. In RGB it is rgb(103, 123, 195), in HSL hsl(226.96, 43.4%, 58.43%) and in OKLCH oklch(59.867% 0.11255 270.928).

What colors go well with #677bc3?

The complementary color of #677bc3 is #997c1d. For a calmer combination use the analogous colors #3687bc and #8b6fb8. The triadic partners are #b96455 and #46935c.

Is white or black text more readable on #677bc3?

White text reads better on #677bc3: 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 #677bc3 a warm or cool color?

#677bc3 is a cool color. In OKLCH its hue is 271 degrees, its lightness 59.9% and its chroma 0.113.