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#277bdd color: Soothing Sapphire

#277bdd is rgb(39, 123, 221) in RGB and oklch(58.575% 0.16893 255.242) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

212°
100%

58.6%
0.169
255°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Royal blue
  • sky-600
  • Black 13%

Inside sRGB: displays the same on any screen.

White text
4.23:1Hard to read
Lc -74
Black text
4.96:1Readable · AA
Lc 35

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About #277bdd

#277bdd is a bright blue color. In OKLCH it has 58.6% lightness, 0.169 chroma and a hue of 255°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.23:1 contrast and black text 4.96:1, so white text reads better.

The closest named color is Soothing Sapphire (#307dd3). In Tailwind CSS the closest color is sky-600.

More medium blue colors

Lighter: #277bdd mixed with white

  1. 277bdd
  2. 4189e2
  3. 5897e6
  4. 6ea4ea
  5. 83b1ee
  6. 97bef1
  7. accbf5
  8. c0d8f8
  9. d5e5fa
  10. eaf2fd

Darker: #277bdd mixed with black

  1. 277bdd
  2. 206ac0
  3. 1a5aa4
  4. 144a88
  5. 0e3a6e
  6. 082c55
  7. 041e3d
  8. 021026
  9. 010511
  10. 000102

Calmer: #277bdd with less saturation

  1. 277bdd
  2. 347cd4
  3. 3f7dca
  4. 497ec1
  5. 517eb7
  6. 597eae
  7. 617ea4
  8. 687e9a
  9. 6f7d90
  10. 757d86

Questions about #277bdd

What color is #277bdd?

#277bdd is bright blue. The closest named color is Soothing Sapphire. In RGB it is rgb(39, 123, 221), in HSL hsl(212.31, 72.8%, 50.98%) and in OKLCH oklch(58.575% 0.16893 255.242).

What colors go well with #277bdd?

The complementary color of #277bdd is #ac6d00. For a calmer combination use the analogous colors #008ab7 and #7568da. The triadic partners are #cc465a and #4a9108.

Is white or black text more readable on #277bdd?

White text reads better on #277bdd: white gives a contrast ratio of 4.23:1 and black gives 4.96:1. WCAG AA asks for at least 4.5:1 for body text.

Is #277bdd a warm or cool color?

#277bdd is a cool color. In OKLCH its hue is 255 degrees, its lightness 58.6% and its chroma 0.169.