#1866bb

Color #1866bb

A vivid, highly saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 18.82 Nearest Tailwind class sky-700 #0069a8 · ΔE 4.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#1866bb

RGB

rgb(24, 102, 187)

HSL

hsl(211.3, 77.3%, 41.4%)

HSV / HSB

hsv(211.3, 87.2%, 73.3%)

CMYK

cmyk(87.2%, 45.5%, 0%, 26.7%)

LAB

lab(43.19, 9.54, -51.04)

LCH

lch(43.19, 51.92, 280.59)

OKLCH

oklch(51.3%, 0.152, 254.67)

HWB

hwb(211.3, 9.4%, 26.7%)

Harmony colors

Complementary

#bb6d18

Analogous

#18b8bb

#1866bb

#1c18bb

Triadic

#1866bb

#bb1866

#66bb18

Split-complementary

#1866bb

#bb1c18

#b8bb18

Tetradic

#1866bb

#6d18bb

#bb6d18

#66bb18

Square

#1866bb

#bb18b8

#bb6d18

#18bb1c

Shades

Color #1866bb mixed toward black.

#14559c

#10447d

#0c335e

#08223e

#04111f

Tints

Color #1866bb mixed toward white.

#227ee3

#4e98e8

#7bb2ee

#a7ccf4

#d3e5f9

Tones

Color #1866bb mixed toward gray.

#2667ae

#3367a0

#416892

#4e6885

#5c6977

Accessibility

Aa White text on this color

5.74:1

Aa Black text on this color

3.66:1

White text reads better on this background (5.74:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4747ab · ΔE 13.9

Deuteranopia

#433da7 · ΔE 16.5

Tritanopia

#219d9a · ΔE 32.7

Achromatopsia

#666666 · ΔE 24

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #1866bb;

Tailwind (arbitrary value)

bg-[#1866bb]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#1866bb (#1866bb) is rgb(24, 102, 187) in RGB.

No, #1866bb is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #1866bb, or check how it holds up for accessibility.

Generate a palette → Check contrast