#1f1cb9

Color #1f1cb9

A vivid, highly saturated medium blue.

Closest named color Dark Blue #00008b · ΔE 15.26 Nearest Tailwind class indigo-800 #372aac · ΔE 3.4

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

Conversions

HEX

#1f1cb9

RGB

rgb(31, 28, 185)

HSL

hsl(241.1, 73.7%, 41.8%)

HSV / HSB

hsv(241.1, 84.9%, 72.5%)

CMYK

cmyk(83.2%, 84.9%, 0%, 27.5%)

LAB

lab(25.63, 54.48, -78.58)

LCH

lch(25.63, 95.62, 304.73)

OKLCH

oklch(38.3%, 0.2274, 269.29)

HWB

hwb(241.1, 11%, 27.5%)

Harmony colors

Complementary

#b6b91c

Analogous

#1c68b9

#1f1cb9

#6d1cb9

Triadic

#1f1cb9

#b91f1c

#1cb91f

Split-complementary

#1f1cb9

#b96d1c

#68b91c

Tetradic

#1f1cb9

#b91cb6

#b6b91c

#1cb91f

Square

#1f1cb9

#b91c68

#b6b91c

#1cb96d

Shades

Color #1f1cb9 mixed toward black.

#1a179a

#15137b

#0f0e5d

#0a093e

#05051f

Tints

Color #1f1cb9 mixed toward white.

#2c28de

#5653e5

#807eeb

#aaa9f2

#d5d4f8

Tones

Color #1f1cb9 mixed toward gray.

#2c29ac

#38369f

#454392

#515085

#5e5d78

Accessibility

Aa White text on this color

10.91:1

Aa Black text on this color

1.92:1

White text reads better on this background (10.91:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1ea4 · ΔE 2.8

Deuteranopia

#1e1e9e · ΔE 3.6

Tritanopia

#1f908c · ΔE 44.6

Achromatopsia

#3d3d3d · ΔE 30.3

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

Code

CSS

background-color: #1f1cb9;

Tailwind (arbitrary value)

bg-[#1f1cb9]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1f1cb9 (#1f1cb9) is rgb(31, 28, 185) in RGB.

No, #1f1cb9 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #1f1cb9, or check how it holds up for accessibility.

Generate a palette → Check contrast