#1f12c8

Color #1f12c8

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 7.42 Nearest Tailwind class indigo-800 #372aac · ΔE 4.9

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

Conversions

HEX

#1f12c8

RGB

rgb(31, 18, 200)

HSL

hsl(244.3, 83.5%, 42.7%)

HSV / HSB

hsv(244.3, 91%, 78.4%)

CMYK

cmyk(84.5%, 91%, 0%, 21.6%)

LAB

lab(26.43, 62.28, -86.12)

LCH

lch(26.43, 106.28, 305.87)

OKLCH

oklch(39.4%, 0.2491, 268.78)

HWB

hwb(244.3, 7.1%, 21.6%)

Harmony colors

Complementary

#bbc812

Analogous

#1260c8

#1f12c8

#7a12c8

Triadic

#1f12c8

#c81f12

#12c81f

Split-complementary

#1f12c8

#c87a12

#60c812

Tetradic

#1f12c8

#c812bb

#bbc812

#12c81f

Square

#1f12c8

#c81260

#bbc812

#12c87a

Shades

Color #1f12c8 mixed toward black.

#1a0fa7

#150c85

#0f0964

#0a0643

#050321

Tints

Color #1f12c8 mixed toward white.

#2e20eb

#584cef

#8279f3

#aba6f7

#d5d2fb

Tones

Color #1f12c8 mixed toward gray.

#2c21b9

#3930a9

#463f9a

#534f8b

#605e7c

Accessibility

Aa White text on this color

10.61:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.61:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1ab1 · ΔE 3

Deuteranopia

#1b1cab · ΔE 3.8

Tritanopia

#1e9b96 · ΔE 48

Achromatopsia

#3f3f3f · ΔE 31.3

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

Code

CSS

background-color: #1f12c8;

Tailwind (arbitrary value)

bg-[#1f12c8]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1f12c8 (#1f12c8) is rgb(31, 18, 200) in RGB.

No, #1f12c8 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 #1f12c8, or check how it holds up for accessibility.

Generate a palette → Check contrast