#1a1b15

Color #1a1b15

A nearly neutral, gray-leaning very dark green.

Closest named color Black #000000 · ΔE 10.44 Nearest Tailwind class olive-900 #1d1d16 · ΔE 1.1

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Conversions

HEX

#1a1b15

RGB

rgb(26, 27, 21)

HSL

hsl(70, 12.5%, 9.4%)

HSV / HSB

hsv(70, 22.2%, 10.6%)

CMYK

cmyk(3.7%, 0%, 22.2%, 89.4%)

LAB

lab(9.46, -1.92, 3.97)

LCH

lch(9.46, 4.41, 115.81)

OKLCH

oklch(21.9%, 0.0115, 114.78)

HWB

hwb(70, 8.2%, 89.4%)

Harmony colors

Complementary

#16151b

Analogous

#1b1915

#1a1b15

#171b15

Triadic

#1a1b15

#151a1b

#1b151a

Split-complementary

#1a1b15

#15171b

#19151b

Tetradic

#1a1b15

#151b16

#16151b

#1b151a

Square

#1a1b15

#151b19

#16151b

#1b1517

Shades

Color #1a1b15 mixed toward black.

#161611

#11120e

#0d0d0a

#090907

#040403

Tints

Color #1a1b15 mixed toward white.

#444637

#6d7258

#959a7d

#b8bca8

#dcddd4

Tones

Color #1a1b15 mixed toward gray.

#1a1a15

#191a16

#191916

#191917

#181817

Accessibility

Aa White text on this color

17.33:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a17 · ΔE 2.2

Deuteranopia

#1a1a17 · ΔE 2.2

Tritanopia

#1a1818 · ΔE 5.3

Achromatopsia

#1a1a1a · ΔE 4.4

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

Code

CSS

background-color: #1a1b15;

Tailwind (arbitrary value)

bg-[#1a1b15]

Related colors

Olive Drab #6b8e23

Yellow Green #9acd32

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Frequently asked questions

#1a1b15 (#1a1b15) is rgb(26, 27, 21) in RGB.

No, #1a1b15 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 #1a1b15, or check how it holds up for accessibility.

Generate a palette → Check contrast