#1c1f58

Color #1c1f58

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 18.66 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 2.6

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Conversions

HEX

#1c1f58

RGB

rgb(28, 31, 88)

HSL

hsl(237, 51.7%, 22.7%)

HSV / HSB

hsv(237, 68.2%, 34.5%)

CMYK

cmyk(68.2%, 64.8%, 0%, 65.5%)

LAB

lab(15.12, 18.97, -34.92)

LCH

lch(15.12, 39.74, 298.51)

OKLCH

oklch(27.6%, 0.1009, 275.29)

HWB

hwb(237, 11%, 65.5%)

Harmony colors

Complementary

#58551c

Analogous

#1c3d58

#1c1f58

#371c58

Triadic

#1c1f58

#581c1f

#1f581c

Split-complementary

#1c1f58

#58371c

#3d581c

Tetradic

#1c1f58

#551c58

#58551c

#1f581c

Square

#1c1f58

#581c3d

#58551c

#1c5837

Shades

Color #1c1f58 mixed toward black.

#171a49

#13153b

#0e0f2c

#090a1d

#05050f

Tints

Color #1c1f58 mixed toward white.

#2c318a

#3c42bb

#696fcf

#9b9fdf

#cdcfef

Tones

Color #1c1f58 mixed toward gray.

#212353

#26284e

#2b2c49

#303144

#35353f

Accessibility

Aa White text on this color

15.15:1

Aa Black text on this color

1.39:1

White text reads better on this background (15.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d4f · ΔE 2

Deuteranopia

#1d1d4c · ΔE 2.7

Tritanopia

#1c4644 · ΔE 27.2

Achromatopsia

#262626 · ΔE 21.8

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

Code

CSS

background-color: #1c1f58;

Tailwind (arbitrary value)

bg-[#1c1f58]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1c1f58 (#1c1f58) is rgb(28, 31, 88) in RGB.

No, #1c1f58 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 #1c1f58, or check how it holds up for accessibility.

Generate a palette → Check contrast