#1143bb

Color #1143bb

A vivid, highly saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 15.53 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.3

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Conversions

HEX

#1143bb

RGB

rgb(17, 67, 187)

HSL

hsl(222.4, 83.3%, 40%)

HSV / HSB

hsv(222.4, 90.9%, 73.3%)

CMYK

cmyk(90.9%, 64.2%, 0%, 26.7%)

LAB

lab(33.39, 32.27, -66.95)

LCH

lch(33.39, 74.32, 295.73)

OKLCH

oklch(43.8%, 0.1954, 263.36)

HWB

hwb(222.4, 6.7%, 26.7%)

Harmony colors

Complementary

#bb8911

Analogous

#1198bb

#1143bb

#3411bb

Triadic

#1143bb

#bb1143

#43bb11

Split-complementary

#1143bb

#bb3411

#98bb11

Tetradic

#1143bb

#8911bb

#bb8911

#43bb11

Square

#1143bb

#bb1198

#bb8911

#11bb34

Shades

Color #1143bb mixed toward black.

#0e389c

#0b2d7d

#09215d

#06163e

#030b1f

Tints

Color #1143bb mixed toward white.

#1554ea

#4476ee

#7398f2

#a2baf6

#d0ddfb

Tones

Color #1143bb mixed toward gray.

#1f49ad

#2d4f9f

#3c5490

#4a5a82

#586074

Accessibility

Aa White text on this color

8.25:1

Aa Black text on this color

2.54:1

White text reads better on this background (8.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2fa8 · ΔE 6.8

Deuteranopia

#2b28a3 · ΔE 8.5

Tritanopia

#169692 · ΔE 40.9

Achromatopsia

#4f4f4f · ΔE 27.8

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

Code

CSS

background-color: #1143bb;

Tailwind (arbitrary value)

bg-[#1143bb]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1143bb (#1143bb) is rgb(17, 67, 187) in RGB.

No, #1143bb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1143bb, or check how it holds up for accessibility.

Generate a palette → Check contrast