Skip to the color picker

#237bcd color: Heirloom Hydrangea

#237bcd is rgb(35, 123, 205) in RGB and oklch(57.45% 0.14957 251.195) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

209°
100%

57.5%
0.150
251°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 20%

Inside sRGB: displays the same on any screen.

White text
4.39:1Hard to read
Lc -75
Black text
4.79:1Readable · 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 #237bcd

#237bcd is a bright blue color. In OKLCH it has 57.5% lightness, 0.15 chroma and a hue of 251°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.39:1 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: #237bcd mixed with white

  1. 237bcd
  2. 3f89d3
  3. 5796d9
  4. 6ca3de
  5. 82b0e4
  6. 96bee9
  7. abcbee
  8. c0d8f2
  9. d5e5f7
  10. eaf2fb

Darker: #237bcd mixed with black

  1. 237bcd
  2. 1d6ab2
  3. 175a98
  4. 114a7e
  5. 0c3a66
  6. 072c4e
  7. 041e38
  8. 011023
  9. 00050f
  10. 000102

Calmer: #237bcd with less saturation

  1. 237bcd
  2. 317cc5
  3. 3d7cbd
  4. 467cb4
  5. 4f7cac
  6. 577ca4
  7. 5e7b9b
  8. 657b93
  9. 6c7a8a
  10. 727a81

Questions about #237bcd

What color is #237bcd?

#237bcd is bright blue. The closest named color is Heirloom Hydrangea. In RGB it is rgb(35, 123, 205), in HSL hsl(208.94, 70.83%, 47.06%) and in OKLCH oklch(57.45% 0.14957 251.195).

What colors go well with #237bcd?

The complementary color of #237bcd is #ac6700. For a calmer combination use the analogous colors #0088ad and #6b6ace. The triadic partners are #c04c62 and #588914.

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

White text reads better on #237bcd: white gives a contrast ratio of 4.39:1 and black gives 4.79:1. WCAG AA asks for at least 4.5:1 for body text.

Is #237bcd a warm or cool color?

#237bcd is a cool color. In OKLCH its hue is 251 degrees, its lightness 57.5% and its chroma 0.15.