#1b281f

Color #1b281f

A muted very dark green.

Closest named color Black #000000 · ΔE 17.22 Nearest Tailwind class olive-800 #2b2b22 · ΔE 7.3

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Conversions

HEX

#1b281f

RGB

rgb(27, 40, 31)

HSL

hsl(138.5, 19.4%, 13.1%)

HSV / HSB

hsv(138.5, 32.5%, 15.7%)

CMYK

cmyk(32.5%, 0%, 22.5%, 84.3%)

LAB

lab(14.68, -7.99, 4.15)

LCH

lch(14.68, 9, 152.55)

OKLCH

oklch(26.2%, 0.0246, 154.17)

HWB

hwb(138.5, 10.6%, 84.3%)

Harmony colors

Complementary

#281b24

Analogous

#1d281b

#1b281f

#1b2825

Triadic

#1b281f

#1f1b28

#281f1b

Split-complementary

#1b281f

#251b28

#281b1d

Tetradic

#1b281f

#1b2428

#281b24

#281f1b

Square

#1b281f

#1b1d28

#281b24

#28251b

Shades

Color #1b281f mixed toward black.

#16211a

#121b15

#0d140f

#090d0a

#040705

Tints

Color #1b281f mixed toward white.

#395441

#568063

#7ba688

#a7c3b0

#d3e1d7

Tones

Color #1b281f mixed toward gray.

#1c271f

#1d2620

#1e2520

#1f2421

#202221

Accessibility

Aa White text on this color

15.33:1

Aa Black text on this color

1.37:1

White text reads better on this background (15.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212121 · ΔE 9.9

Deuteranopia

#201f22 · ΔE 12.2

Tritanopia

#1c2324 · ΔE 7.6

Achromatopsia

#252525 · ΔE 9.9

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

Code

CSS

background-color: #1b281f;

Tailwind (arbitrary value)

bg-[#1b281f]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Forest Green #228b22

Mint Green #98ff98

Frequently asked questions

#1b281f (#1b281f) is rgb(27, 40, 31) in RGB.

No, #1b281f 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 #1b281f, or check how it holds up for accessibility.

Generate a palette → Check contrast