#1f00c3

Color #1f00c3

A vivid, highly saturated dark blue.

Closest named color Medium Blue #0000cd · ΔE 5.45 Nearest Tailwind class indigo-800 #372aac · ΔE 5.9

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

Conversions

HEX

#1f00c3

RGB

rgb(31, 0, 195)

HSL

hsl(249.5, 100%, 38.2%)

HSV / HSB

hsv(249.5, 100%, 76.5%)

CMYK

cmyk(84.1%, 100%, 0%, 23.5%)

LAB

lab(24.42, 65.02, -86.53)

LCH

lch(24.42, 108.24, 306.92)

OKLCH

oklch(37.8%, 0.2498, 269.17)

HWB

hwb(249.5, 0%, 23.5%)

Harmony colors

Complementary

#a4c300

Analogous

#0043c3

#1f00c3

#8000c3

Triadic

#1f00c3

#c31f00

#00c31f

Split-complementary

#1f00c3

#c38000

#43c300

Tetradic

#1f00c3

#c300a4

#a4c300

#00c31f

Square

#1f00c3

#c30043

#a4c300

#00c380

Shades

Color #1f00c3 mixed toward black.

#1a00a2

#150082

#0f0061

#0a0041

#050020

Tints

Color #1f00c3 mixed toward white.

#2700f7

#4e2dff

#7a61ff

#a796ff

#d3caff

Tones

Color #1f00c3 mixed toward gray.

#2a10b3

#3520a2

#403192

#4b4182

#565172

Accessibility

Aa White text on this color

11.37:1

Aa Black text on this color

1.85:1

White text reads better on this background (11.37:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1615ac · ΔE 3.3

Deuteranopia

#1719a6 · ΔE 4.2

Tritanopia

#1e9792 · ΔE 47.9

Achromatopsia

#3a3a3a · ΔE 31.5

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

Code

CSS

background-color: #1f00c3;

Tailwind (arbitrary value)

bg-[#1f00c3]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1f00c3 (#1f00c3) is rgb(31, 0, 195) in RGB.

No, #1f00c3 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 #1f00c3, or check how it holds up for accessibility.

Generate a palette → Check contrast