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#677ac6 color: Ultramarine Blue

#677ac6 is rgb(103, 122, 198) in RGB and oklch(59.824% 0.11814 271.804) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

228°
100%

59.8%
0.118
272°
  • Indigo
  • Medium
  • Soft
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 22%

Inside sRGB: displays the same on any screen.

White text
4.06:1Hard to read
Lc -73
Black text
5.18:1Readable · AA
Lc 36

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About #677ac6

#677ac6 is a soft indigo color. In OKLCH it has 59.8% lightness, 0.118 chroma and a hue of 272°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.06:1 contrast and black text 5.18:1, 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: #677ac6 mixed with white

  1. 677ac6
  2. 7587cc
  3. 8394d3
  4. 92a2d9
  5. a0afdf
  6. b0bce4
  7. bfc9ea
  8. cfd7ef
  9. dfe4f5
  10. eff1fa

Darker: #677ac6 mixed with black

  1. 677ac6
  2. 5969ac
  3. 4b5992
  4. 3d497a
  5. 303a62
  6. 232b4b
  7. 171d35
  8. 0c1021
  9. 04050e
  10. 000102

Calmer: #677ac6 with less saturation

  1. 677ac6
  2. 697bbf
  3. 6c7cb8
  4. 6e7db2
  5. 707dab
  6. 737ea4
  7. 757e9d
  8. 787f95
  9. 7a7f8e
  10. 7d7f87

Questions about #677ac6

What color is #677ac6?

#677ac6 is soft indigo. The closest named color is Ultramarine Blue. In RGB it is rgb(103, 122, 198), in HSL hsl(228, 45.45%, 59.02%) and in OKLCH oklch(59.824% 0.11814 271.804).

What colors go well with #677ac6?

The complementary color of #677ac6 is #997c10. For a calmer combination use the analogous colors #3187c0 and #8d6dba. The triadic partners are #bc6252 and #40935b.

Is white or black text more readable on #677ac6?

White text reads better on #677ac6: white gives a contrast ratio of 4.06:1 and black gives 5.18:1. WCAG AA asks for at least 4.5:1 for body text.

Is #677ac6 a warm or cool color?

#677ac6 is a cool color. In OKLCH its hue is 272 degrees, its lightness 59.8% and its chroma 0.118.