#1b1aff

Color #1b1aff

A vivid, highly saturated medium blue.

Closest named color Blue #0000ff · ΔE 6.17 Nearest Tailwind class indigo-700 #432dd7 · ΔE 4.4

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Conversions

HEX

#1b1aff

RGB

rgb(27, 26, 255)

HSL

hsl(240.3, 100%, 55.1%)

HSV / HSB

hsv(240.3, 89.8%, 100%)

CMYK

cmyk(89.4%, 89.8%, 0%, 0%)

LAB

lab(34.37, 74.53, -104.38)

LCH

lch(34.37, 128.26, 305.53)

OKLCH

oklch(46.8%, 0.3025, 266.38)

HWB

hwb(240.3, 10.2%, 0%)

Harmony colors

Complementary

#feff1a

Analogous

#1a8bff

#1b1aff

#8e1aff

Triadic

#1b1aff

#ff1b1a

#1aff1b

Split-complementary

#1b1aff

#ff8e1a

#8bff1a

Tetradic

#1b1aff

#ff1afe

#feff1a

#1aff1b

Square

#1b1aff

#ff1a8b

#feff1a

#1aff8e

Shades

Color #1b1aff mixed toward black.

#0100ea

#0100bb

#01008d

#00005e

#00002f

Tints

Color #1b1aff mixed toward white.

#4140ff

#6766ff

#8d8dff

#b3b3ff

#d9d9ff

Tones

Color #1b1aff mixed toward gray.

#2e2dec

#4140d9

#5453c6

#6766b3

#7a79a0

Accessibility

Aa White text on this color

7.96:1

Aa Black text on this color

2.64:1

White text reads better on this background (7.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1be2 · ΔE 3.6

Deuteranopia

#1b1bda · ΔE 4.5

Tritanopia

#1bc7c0 · ΔE 55.9

Achromatopsia

#515151 · ΔE 33

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

Code

CSS

background-color: #1b1aff;

Tailwind (arbitrary value)

bg-[#1b1aff]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1b1aff (#1b1aff) is rgb(27, 26, 255) in RGB.

No, #1b1aff 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 #1b1aff, or check how it holds up for accessibility.

Generate a palette → Check contrast