Skip to the color picker

#537cbd color: Blue Iolite

#537cbd is rgb(83, 124, 189) in RGB and oklch(58.546% 0.11047 259.283) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

217°
100%

58.5%
0.110
259°
  • Blue
  • Medium
  • Soft
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 26%

Inside sRGB: displays the same on any screen.

White text
4.21:1Hard to read
Lc -74
Black text
4.99:1Readable · AA
Lc 35

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 #537cbd

#537cbd is a soft blue color. In OKLCH it has 58.5% lightness, 0.11 chroma and a hue of 259°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.21:1 contrast and black text 4.99:1, so white text reads better.

The closest named color is Blue Iolite (#587ebe). In Tailwind CSS the closest color is sky-600.

More medium blue colors

Lighter: #537cbd mixed with white

  1. 537cbd
  2. 6389c4
  3. 7496cb
  4. 85a3d2
  5. 96b0d9
  6. a7bde0
  7. b8cae6
  8. c9d7ec
  9. dbe4f3
  10. edf2f9

Darker: #537cbd mixed with black

  1. 537cbd
  2. 476ba4
  3. 3b5a8c
  4. 304a74
  5. 253b5d
  6. 1b2c47
  7. 111e33
  8. 08111f
  9. 02050d
  10. 000102

Calmer: #537cbd with less saturation

  1. 537cbd
  2. 587cb7
  3. 5c7db0
  4. 607daa
  5. 647da4
  6. 687d9d
  7. 6c7d97
  8. 707d90
  9. 747c89
  10. 787c83

Questions about #537cbd

What color is #537cbd?

#537cbd is soft blue. The closest named color is Blue Iolite. In RGB it is rgb(83, 124, 189), in HSL hsl(216.79, 44.54%, 53.33%) and in OKLCH oklch(58.546% 0.11047 259.283).

What colors go well with #537cbd?

The complementary color of #537cbd is #9f731e. For a calmer combination use the analogous colors #1687b0 and #7b70b9. The triadic partners are #b45f61 and #588c4a.

Is white or black text more readable on #537cbd?

White text reads better on #537cbd: white gives a contrast ratio of 4.21:1 and black gives 4.99:1. WCAG AA asks for at least 4.5:1 for body text.

Is #537cbd a warm or cool color?

#537cbd is a cool color. In OKLCH its hue is 259 degrees, its lightness 58.5% and its chroma 0.11.