#1c1d39

Color #1c1d39

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 22.63 Nearest Tailwind class slate-900 #0f172b · ΔE 5.3

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

Conversions

HEX

#1c1d39

RGB

rgb(28, 29, 57)

HSL

hsl(237.9, 34.1%, 16.7%)

HSV / HSB

hsv(237.9, 50.9%, 22.4%)

CMYK

cmyk(50.9%, 49.1%, 0%, 77.6%)

LAB

lab(12.1, 8.53, -18.36)

LCH

lch(12.1, 20.24, 294.92)

OKLCH

oklch(24.6%, 0.0527, 280.16)

HWB

hwb(237.9, 11%, 77.6%)

Harmony colors

Complementary

#39381c

Analogous

#1c2c39

#1c1d39

#2a1c39

Triadic

#1c1d39

#391c1d

#1d391c

Split-complementary

#1c1d39

#392a1c

#2c391c

Tetradic

#1c1d39

#381c39

#39381c

#1d391c

Square

#1c1d39

#391c2c

#39381c

#1c392a

Shades

Color #1c1d39 mixed toward black.

#171830

#131326

#0e0f1d

#090a13

#05050a

Tints

Color #1c1d39 mixed toward white.

#333569

#4b4d98

#7173b9

#a0a2d0

#d0d0e8

Tones

Color #1c1d39 mixed toward gray.

#1e1f37

#212234

#232432

#26262f

#28282d

Accessibility

Aa White text on this color

16.35:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c34 · ΔE 1.6

Deuteranopia

#1c1c32 · ΔE 2.4

Tritanopia

#1c2f2e · ΔE 20.5

Achromatopsia

#202020 · ΔE 14.8

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

Code

CSS

background-color: #1c1d39;

Tailwind (arbitrary value)

bg-[#1c1d39]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1c1d39 (#1c1d39) is rgb(28, 29, 57) in RGB.

No, #1c1d39 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 #1c1d39, or check how it holds up for accessibility.

Generate a palette → Check contrast