#1b12c9

Color #1b12c9

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 6.85 Nearest Tailwind class indigo-800 #372aac · ΔE 5

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Conversions

HEX

#1b12c9

RGB

rgb(27, 18, 201)

HSL

hsl(243, 83.6%, 42.9%)

HSV / HSB

hsv(243, 91%, 78.8%)

CMYK

cmyk(86.6%, 91%, 0%, 21.2%)

LAB

lab(26.39, 62.45, -86.76)

LCH

lch(26.39, 106.9, 305.75)

OKLCH

oklch(39.4%, 0.2511, 267.85)

HWB

hwb(243, 7.1%, 21.2%)

Harmony colors

Complementary

#c0c912

Analogous

#1264c9

#1b12c9

#7712c9

Triadic

#1b12c9

#c91b12

#12c91b

Split-complementary

#1b12c9

#c97712

#64c912

Tetradic

#1b12c9

#c912c0

#c0c912

#12c91b

Square

#1b12c9

#c91264

#c0c912

#12c977

Shades

Color #1b12c9 mixed toward black.

#170fa7

#120c86

#0e0964

#090643

#050321

Tints

Color #1b12c9 mixed toward white.

#2a20eb

#554def

#7f79f3

#aaa6f7

#d4d2fb

Tones

Color #1b12c9 mixed toward gray.

#2921ba

#3730aa

#44409b

#524f8c

#605e7d

Accessibility

Aa White text on this color

10.62:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1717b2 · ΔE 2.9

Deuteranopia

#1819ac · ΔE 3.7

Tritanopia

#1b9c97 · ΔE 48.3

Achromatopsia

#3e3e3e · ΔE 31.4

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

Code

CSS

background-color: #1b12c9;

Tailwind (arbitrary value)

bg-[#1b12c9]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1b12c9 (#1b12c9) is rgb(27, 18, 201) in RGB.

No, #1b12c9 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 #1b12c9, or check how it holds up for accessibility.

Generate a palette → Check contrast