Skip to the color picker

#337ec3 color: Tufts Blue

#337ec3 is rgb(51, 126, 195) in RGB and oklch(57.965% 0.12933 249.522) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

209°
100%

58%
0.129
250°
  • Blue
  • Medium
  • Vivid
  • Cool
  • ≈ Steel blue
  • sky-600
  • Black 24%

Inside sRGB: displays the same on any screen.

White text
4.27:1Hard to read
Lc -75
Black text
4.91:1Readable · 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 #337ec3

#337ec3 is a bright blue color. In OKLCH it has 58% lightness, 0.129 chroma and a hue of 250°.

Inside sRGB: displays the same on any screen.

White text on it reaches 4.27:1 contrast and black text 4.91:1, so white text reads better.

The closest named color is Tufts Blue (#417dc1). In Tailwind CSS the closest color is sky-600.

More medium blue colors

Lighter: #337ec3 mixed with white

  1. 337ec3
  2. 4a8bca
  3. 5f98d0
  4. 74a5d7
  5. 87b2dd
  6. 9bbee3
  7. afcbe9
  8. c3d8ef
  9. d7e5f4
  10. ebf2fa

Darker: #337ec3 mixed with black

  1. 337ec3
  2. 2b6da9
  3. 235c90
  4. 1c4c78
  5. 143c60
  6. 0d2d4a
  7. 071f34
  8. 031120
  9. 01050e
  10. 000102

Calmer: #337ec3 with less saturation

  1. 337ec3
  2. 3d7ebc
  3. 467eb5
  4. 4e7eae
  5. 567ea7
  6. 5c7e9f
  7. 637d98
  8. 697c91
  9. 6f7c89
  10. 757b82

Questions about #337ec3

What color is #337ec3?

#337ec3 is bright blue. The closest named color is Tufts Blue. In RGB it is rgb(51, 126, 195), in HSL hsl(208.75, 58.54%, 48.24%) and in OKLCH oklch(57.965% 0.12933 249.522).

What colors go well with #337ec3?

The complementary color of #337ec3 is #aa6a00. For a calmer combination use the analogous colors #008aad and #6c70c5. The triadic partners are #b95569 and #61892c.

Is white or black text more readable on #337ec3?

White text reads better on #337ec3: white gives a contrast ratio of 4.27:1 and black gives 4.91:1. WCAG AA asks for at least 4.5:1 for body text.

Is #337ec3 a warm or cool color?

#337ec3 is a cool color. In OKLCH its hue is 250 degrees, its lightness 58% and its chroma 0.129.