#1E88E5

#1E88E5 — Color Codes & Palette

Q: What is the RGB value of #1E88E5?

The RGB value of #1E88E5 (#1E88E5) is rgb(30, 136, 229). This breaks down into red, green, and blue channel values on a 0–255 scale.

Q: Is #1E88E5 accessible on a white background?

The contrast ratio of #1E88E5 (#1E88E5) on a white (#FFFFFF) background is 3.68:1 — AA pass for large text only. On a black (#000000) background the contrast ratio is 5.71:1 — AA pass for normal text. WCAG 2.1 requires 4.5:1 for normal text (AA) and 7:1 for enhanced (AAA).

Q: What colors pair well with #1E88E5?

#1E88E5 (#1E88E5) pairs well with its complementary color and analogous hues. The complementary color is #E57B1F, the analogous color at +30° is #1F26E5, and one triadic color is #E51F89. These relationships are derived from color theory using HSL (hsl(208, 79%, 51%)) as the base.

#1E88E5 · rgb(30, 136, 229) · hsl(208, 79%, 51%)

Color Codes

Format	Value
HEX	#1E88E5
RGB	rgb(30, 136, 229)
HSL	hsl(208, 79%, 51%)

Shades of #1E88E5

#197BD2

#166EBB

#1361A4

#11538D

#0E4677

#0B3860

#092B49

#061E32

Tints of #1E88E5

#3695E7

#4DA1EA

#64ADED

#7BB9EF

#91C5F2

#A8D1F5

#BFDDF8

#D6E9FA

Color Pairings & Harmony

Complementary

#E57B1F

Analogous +30°

#1F26E5

Analogous −30°

#1FE5DE

Triadic +120°

#E51F89

Triadic −120°

#89E51F

Contrast & Accessibility (WCAG 2.1)

vs. White (#FFFFFF)

3.68:1 — AA pass for large text only

vs. Black (#000000)

5.71:1 — AA pass for normal text

CSS Snippet

.element {
  color: #1E88E5;
}

.element-bg {
  background-color: #1E88E5;
  color: #000000;
}

.element-border {
  border: 2px solid #1E88E5;
}

About #1E88E5

#1E88E5 is a medium color with high saturation, defined by the hex code #1E88E5. Its exact color model values are rgb(30, 136, 229) in RGB and hsl(208, 79%, 51%) in HSL (hue 208°, saturation 79%, lightness 51%). On a white background the contrast ratio is 3.68:1 — AA pass for large text only, and on black it is 5.71:1 — AA pass for normal text. Use #1E88E5 for UI elements, backgrounds, text, borders, or decorative accents. The shades section below shows progressively darker variations, while the tints strip shows progressively lighter versions — both useful for building a tonal palette. The harmony swatches provide complementary, analogous, and triadic pairings based on the HSL hue wheel.

Want to explore this color interactively, generate palettes, or convert between color formats? The DevArbor Color Picker has you covered.

Open the Color Picker →

Frequently Asked Questions

What is the RGB value of #1E88E5?

The RGB value of #1E88E5 (#1E88E5) is rgb(30, 136, 229). Red = rgb(30, 136, 229), representing the amounts of red, green, and blue light on a 0–255 scale.

Is #1E88E5 accessible on a white background?

The contrast ratio of #1E88E5 on white (#FFFFFF) is 3.68:1 — AA pass for large text only. On black (#000000) the contrast ratio is 5.71:1 — AA pass for normal text. WCAG 2.1 requires 4.5:1 for AA (normal text) and 7:1 for AAA.

What colors pair well with #1E88E5?

Based on color theory, #1E88E5 (hsl(208, 79%, 51%)) pairs well with its complementary, analogous, and triadic hues. See the harmony swatches above for the exact hex values of each pairing type.

#1E88E5 — Color Codes &amp; Palette