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#257bcd color: Heirloom Hydrangea

#257bcd is rgb(37, 123, 205) in RGB and oklch(57.495% 0.14908 251.483) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

209°
100%

57.5%
0.149
251°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 20%

Inside sRGB: displays the same on any screen.

White text
4.38:1Hard to read
Lc -75
Black text
4.79:1Readable · AA
Lc 34

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About #257bcd

#257bcd is a bright blue color. In OKLCH it has 57.5% lightness, 0.149 chroma and a hue of 251°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.38:1 contrast and black text 4.79:1, so white text reads better.

The closest named color is Heirloom Hydrangea (#327ccb). In Tailwind CSS the closest color is sky-600.

More medium blue colors

Lighter: #257bcd mixed with white

  1. 257bcd
  2. 4089d3
  3. 5896d9
  4. 6da3de
  5. 82b0e4
  6. 97bee9
  7. accbee
  8. c0d8f2
  9. d5e5f7
  10. eaf2fb

Darker: #257bcd mixed with black

  1. 257bcd
  2. 1f6ab2
  3. 195a98
  4. 134a7e
  5. 0d3a66
  6. 082c4e
  7. 041e38
  8. 021023
  9. 00050f
  10. 000102

Calmer: #257bcd with less saturation

  1. 257bcd
  2. 337cc5
  3. 3e7cbd
  4. 477cb4
  5. 507cac
  6. 577ca4
  7. 5f7c9b
  8. 667b93
  9. 6c7a8a
  10. 737a82

Questions about #257bcd

What color is #257bcd?

#257bcd is bright blue. The closest named color is Heirloom Hydrangea. In RGB it is rgb(37, 123, 205), in HSL hsl(209.29, 69.42%, 47.45%) and in OKLCH oklch(57.495% 0.14908 251.483).

What colors go well with #257bcd?

The complementary color of #257bcd is #ac6700. For a calmer combination use the analogous colors #0088ad and #6c6acd. The triadic partners are #c04c62 and #578a16.

Is white or black text more readable on #257bcd?

White text reads better on #257bcd: white gives a contrast ratio of 4.38:1 and black gives 4.79:1. WCAG AA asks for at least 4.5:1 for body text.

Is #257bcd a warm or cool color?

#257bcd is a cool color. In OKLCH its hue is 251 degrees, its lightness 57.5% and its chroma 0.149.