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#257dcb color: Heirloom Hydrangea

#257dcb is rgb(37, 125, 203) in RGB and oklch(57.828% 0.14452 249.976) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

208°
100%

57.8%
0.145
250°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 20%

Inside sRGB: displays the same on any screen.

White text
4.31:1Hard to read
Lc -75
Black text
4.87:1Readable · AA
Lc 35

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About #257dcb

#257dcb is a bright blue color. In OKLCH it has 57.8% lightness, 0.145 chroma and a hue of 250°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.31:1 contrast and black text 4.87:1, 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: #257dcb mixed with white

  1. 257dcb
  2. 418ad1
  3. 5897d7
  4. 6ea5dd
  5. 83b2e2
  6. 97bee8
  7. accbed
  8. c1d8f2
  9. d5e5f6
  10. eaf2fb

Darker: #257dcb mixed with black

  1. 257dcb
  2. 1f6cb0
  3. 195b96
  4. 134b7d
  5. 0d3b65
  6. 082c4d
  7. 041e37
  8. 021122
  9. 00050f
  10. 000102

Calmer: #257dcb with less saturation

  1. 257dcb
  2. 337dc3
  3. 3e7ebb
  4. 487eb3
  5. 507dab
  6. 587da3
  7. 607d9b
  8. 677c93
  9. 6d7c8b
  10. 747b82

Questions about #257dcb

What color is #257dcb?

#257dcb is bright blue. The closest named color is Heirloom Hydrangea. In RGB it is rgb(37, 125, 203), in HSL hsl(208.19, 69.17%, 47.06%) and in OKLCH oklch(57.828% 0.14452 249.976).

What colors go well with #257dcb?

The complementary color of #257dcb is #ae6700. For a calmer combination use the analogous colors #008aad and #6b6dcd. The triadic partners are #bf4f66 and #5c8a1a.

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

White text reads better on #257dcb: white gives a contrast ratio of 4.31:1 and black gives 4.87:1. WCAG AA asks for at least 4.5:1 for body text.

Is #257dcb a warm or cool color?

#257dcb is a cool color. In OKLCH its hue is 250 degrees, its lightness 57.8% and its chroma 0.145.