#1b2330

Color #1b2330

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 15.44 Nearest Tailwind class gray-800 #1e2939 · ΔE 2.3

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Conversions

HEX

#1b2330

RGB

rgb(27, 35, 48)

HSL

hsl(217.1, 28%, 14.7%)

HSV / HSB

hsv(217.1, 43.8%, 18.8%)

CMYK

cmyk(43.8%, 27.1%, 0%, 81.2%)

LAB

lab(13.52, 0.53, -9.71)

LCH

lch(13.52, 9.72, 273.12)

OKLCH

oklch(25.5%, 0.0273, 259.88)

HWB

hwb(217.1, 10.6%, 81.2%)

Harmony colors

Complementary

#30281b

Analogous

#1b2d30

#1b2330

#1d1b30

Triadic

#1b2330

#301b23

#23301b

Split-complementary

#1b2330

#301d1b

#2d301b

Tetradic

#1b2330

#281b30

#30281b

#23301b

Square

#1b2330

#301b2d

#30281b

#1b301d

Shades

Color #1b2330 mixed toward black.

#161d28

#121720

#0d1218

#090c10

#040608

Tints

Color #1b2330 mixed toward white.

#35455e

#4f678d

#748bb1

#a2b2cb

#d1d8e5

Tones

Color #1b2330 mixed toward gray.

#1d232e

#1e242c

#20242b

#222529

#242527

Accessibility

Aa White text on this color

15.79:1

Aa Black text on this color

1.33:1

White text reads better on this background (15.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1f2d · ΔE 4.8

Deuteranopia

#1e1e2d · ΔE 5.2

Tritanopia

#1b2b2a · ΔE 11.3

Achromatopsia

#232323 · ΔE 8

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

Code

CSS

background-color: #1b2330;

Tailwind (arbitrary value)

bg-[#1b2330]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1b2330 (#1b2330) is rgb(27, 35, 48) in RGB.

No, #1b2330 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1b2330, or check how it holds up for accessibility.

Generate a palette → Check contrast