#1b00f1

Color #1b00f1

A vivid, highly saturated medium blue.

Closest named color Blue #0000ff · ΔE 6.47 Nearest Tailwind class indigo-700 #432dd7 · ΔE 4.9

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Conversions

HEX

#1b00f1

RGB

rgb(27, 0, 241)

HSL

hsl(246.7, 100%, 47.3%)

HSV / HSB

hsv(246.7, 100%, 94.5%)

CMYK

cmyk(88.8%, 100%, 0%, 5.5%)

LAB

lab(30.84, 76.05, -102.4)

LCH

lch(30.84, 127.55, 306.6)

OKLCH

oklch(43.8%, 0.2962, 266.67)

HWB

hwb(246.7, 0%, 5.5%)

Harmony colors

Complementary

#d6f100

Analogous

#005ef1

#1b00f1

#9400f1

Triadic

#1b00f1

#f11b00

#00f11b

Split-complementary

#1b00f1

#f19400

#5ef100

Tetradic

#1b00f1

#f100d6

#d6f100

#00f11b

Square

#1b00f1

#f1005e

#d6f100

#00f194

Shades

Color #1b00f1 mixed toward black.

#1600c9

#1200a1

#0d0079

#090050

#040028

Tints

Color #1b00f1 mixed toward white.

#381fff

#604cff

#8879ff

#afa5ff

#d7d2ff

Tones

Color #1b00f1 mixed toward gray.

#2b14dd

#3a28c9

#4a3cb5

#5950a1

#69658d

Accessibility

Aa White text on this color

9.06:1

Aa Black text on this color

2.32:1

White text reads better on this background (9.06:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1212d5 · ΔE 3.3

Deuteranopia

#1415ce · ΔE 4.1

Tritanopia

#1abbb5 · ΔE 56

Achromatopsia

#494949 · ΔE 33

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

Code

CSS

background-color: #1b00f1;

Tailwind (arbitrary value)

bg-[#1b00f1]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1b00f1 (#1b00f1) is rgb(27, 0, 241) in RGB.

No, #1b00f1 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.

Try it → Accessibility

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 #1b00f1, or check how it holds up for accessibility.

Generate a palette → Check contrast