Skip to the color picker

#237bcf color: Heirloom Hydrangea

#237bcf is rgb(35, 123, 207) in RGB and oklch(57.576% 0.15209 251.702) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

209°
100%

57.6%
0.152
252°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 19%

Inside sRGB: displays the same on any screen.

White text
4.37:1Hard to read
Lc -75
Black text
4.81:1Readable · AA
Lc 34

Shades

From lightest to darkest. Click a shade to use it.

Harmonies

Open as palette

Recent

Colors you stop on or copy appear here. They stay on this device.

About #237bcf

#237bcf is a bright blue color. In OKLCH it has 57.6% lightness, 0.152 chroma and a hue of 252°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.37:1 contrast and black text 4.81:1, 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: #237bcf mixed with white

  1. 237bcf
  2. 3f89d5
  3. 5796da
  4. 6ca3e0
  5. 82b1e5
  6. 96beea
  7. abcbef
  8. c0d8f3
  9. d5e5f7
  10. eaf2fb

Darker: #237bcf mixed with black

  1. 237bcf
  2. 1d6ab4
  3. 175a99
  4. 114a7f
  5. 0c3a67
  6. 072c4f
  7. 041e38
  8. 011023
  9. 000510
  10. 000102

Calmer: #237bcf with less saturation

  1. 237bcf
  2. 317cc7
  3. 3d7cbe
  4. 467cb6
  5. 4f7cad
  6. 577ca5
  7. 5f7c9c
  8. 667b94
  9. 6c7b8b
  10. 737a82

Questions about #237bcf

What color is #237bcf?

#237bcf is bright blue. The closest named color is Heirloom Hydrangea. In RGB it is rgb(35, 123, 207), in HSL hsl(209.3, 71.07%, 47.45%) and in OKLCH oklch(57.576% 0.15209 251.702).

What colors go well with #237bcf?

The complementary color of #237bcf is #ac6700. For a calmer combination use the analogous colors #0088ae and #6d6acf. The triadic partners are #c14b61 and #568a12.

Is white or black text more readable on #237bcf?

White text reads better on #237bcf: white gives a contrast ratio of 4.37:1 and black gives 4.81:1. WCAG AA asks for at least 4.5:1 for body text.

Is #237bcf a warm or cool color?

#237bcf is a cool color. In OKLCH its hue is 252 degrees, its lightness 57.6% and its chroma 0.152.