#1b1f2d

Color #1b1f2d

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.74 Nearest Tailwind class gray-900 #101828 · ΔE 2.9

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Conversions

HEX

#1b1f2d

RGB

rgb(27, 31, 45)

HSL

hsl(226.7, 25%, 14.1%)

HSV / HSB

hsv(226.7, 40%, 17.6%)

CMYK

cmyk(40%, 31.1%, 0%, 82.4%)

LAB

lab(11.97, 2.44, -9.93)

LCH

lch(11.97, 10.23, 283.81)

OKLCH

oklch(24.2%, 0.0275, 271.87)

HWB

hwb(226.7, 10.6%, 82.4%)

Harmony colors

Complementary

#2d291b

Analogous

#1b282d

#1b1f2d

#201b2d

Triadic

#1b1f2d

#2d1b1f

#1f2d1b

Split-complementary

#1b1f2d

#2d201b

#282d1b

Tetradic

#1b1f2d

#291b2d

#2d291b

#1f2d1b

Square

#1b1f2d

#2d1b28

#2d291b

#1b2d20

Shades

Color #1b1f2d mixed toward black.

#161a25

#12151e

#0d0f16

#090a0f

#040507

Tints

Color #1b1f2d mixed toward white.

#363e5b

#525e88

#7682ad

#a4acc8

#d1d5e4

Tones

Color #1b1f2d mixed toward gray.

#1c202b

#1e212a

#1f2128

#212227

#222325

Accessibility

Aa White text on this color

16.4:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d2a · ΔE 2.2

Deuteranopia

#1d1c29 · ΔE 2.8

Tritanopia

#1b2827 · ΔE 12.5

Achromatopsia

#1f1f1f · ΔE 8.5

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

Code

CSS

background-color: #1b1f2d;

Tailwind (arbitrary value)

bg-[#1b1f2d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1b1f2d (#1b1f2d) is rgb(27, 31, 45) in RGB.

No, #1b1f2d 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 #1b1f2d, or check how it holds up for accessibility.

Generate a palette → Check contrast