#1b128d

Color #1b128d

A vivid, highly saturated dark blue.

Closest named color Navy #000080 · ΔE 5.86 Nearest Tailwind class violet-900 #4d179a · ΔE 6.4

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Conversions

HEX

#1b128d

RGB

rgb(27, 18, 141)

HSL

hsl(244.4, 77.4%, 31.2%)

HSV / HSB

hsv(244.4, 87.2%, 55.3%)

CMYK

cmyk(80.9%, 87.2%, 0%, 44.7%)

LAB

lab(18.31, 45.2, -63.97)

LCH

lch(18.31, 78.33, 305.24)

OKLCH

oklch(31.6%, 0.1851, 271.49)

HWB

hwb(244.4, 7.1%, 44.7%)

Harmony colors

Complementary

#848d12

Analogous

#12478d

#1b128d

#59128d

Triadic

#1b128d

#8d1b12

#128d1b

Split-complementary

#1b128d

#8d5912

#478d12

Tetradic

#1b128d

#8d1284

#848d12

#128d1b

Square

#1b128d

#8d1247

#848d12

#128d59

Shades

Color #1b128d mixed toward black.

#170f76

#120c5e

#0e0947

#09062f

#050318

Tints

Color #1b128d mixed toward white.

#2519c1

#3d30e5

#6d63eb

#9e97f2

#cecbf8

Tones

Color #1b128d mixed toward gray.

#241c83

#2d2779

#35316e

#3e3b64

#47455a

Accessibility

Aa White text on this color

13.84:1

Aa Black text on this color

1.52:1

White text reads better on this background (13.84:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#17177d · ΔE 2.7

Deuteranopia

#181978 · ΔE 3.7

Tritanopia

#1b6d6a · ΔE 38

Achromatopsia

#2d2d2d · ΔE 28.4

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

Code

CSS

background-color: #1b128d;

Tailwind (arbitrary value)

bg-[#1b128d]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1b128d (#1b128d) is rgb(27, 18, 141) in RGB.

No, #1b128d 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 #1b128d, or check how it holds up for accessibility.

Generate a palette → Check contrast