#1f1b50

Color #1f1b50

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 21.07 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 0.6

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Conversions

HEX

#1f1b50

RGB

rgb(31, 27, 80)

HSL

hsl(244.5, 49.5%, 21%)

HSV / HSB

hsv(244.5, 66.3%, 31.4%)

CMYK

cmyk(61.2%, 66.3%, 0%, 68.6%)

LAB

lab(13.56, 19.38, -32.03)

LCH

lch(13.56, 37.44, 301.18)

OKLCH

oklch(26.3%, 0.0937, 281.2)

HWB

hwb(244.5, 10.6%, 68.6%)

Harmony colors

Complementary

#4c501b

Analogous

#1b3250

#1f1b50

#3a1b50

Triadic

#1f1b50

#501f1b

#1b501f

Split-complementary

#1f1b50

#503a1b

#32501b

Tetradic

#1f1b50

#501b4c

#4c501b

#1b501f

Square

#1f1b50

#501b32

#4c501b

#1b503a

Shades

Color #1f1b50 mixed toward black.

#1a1743

#151235

#100e28

#0a091b

#05050d

Tints

Color #1f1b50 mixed toward white.

#322c82

#463db4

#7068cc

#a09bdd

#cfcdee

Tones

Color #1f1b50 mixed toward gray.

#231f4c

#272447

#2a2843

#2e2d3e

#32313a

Accessibility

Aa White text on this color

15.78:1

Aa Black text on this color

1.33:1

White text reads better on this background (15.78:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d47 · ΔE 2.9

Deuteranopia

#1e1e45 · ΔE 3.7

Tritanopia

#1f3f3d · ΔE 26.3

Achromatopsia

#232323 · ΔE 21.4

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

Code

CSS

background-color: #1f1b50;

Tailwind (arbitrary value)

bg-[#1f1b50]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1f1b50 (#1f1b50) is rgb(31, 27, 80) in RGB.

No, #1f1b50 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 #1f1b50, or check how it holds up for accessibility.

Generate a palette → Check contrast