#1b1a15

Color #1b1a15

A nearly neutral, gray-leaning very dark yellow.

Closest named color Black #000000 · ΔE 9.92 Nearest Tailwind class olive-900 #1d1d16 · ΔE 1.8

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Conversions

HEX

#1b1a15

RGB

rgb(27, 26, 21)

HSL

hsl(50, 12.5%, 9.4%)

HSV / HSB

hsv(50, 22.2%, 10.6%)

CMYK

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

LAB

lab(9.21, -0.69, 3.61)

LCH

lch(9.21, 3.68, 100.82)

OKLCH

oklch(21.7%, 0.0096, 97.79)

HWB

hwb(50, 8.2%, 89.4%)

Harmony colors

Complementary

#15161b

Analogous

#1b1715

#1b1a15

#191b15

Triadic

#1b1a15

#151b1a

#1a151b

Split-complementary

#1b1a15

#15191b

#17151b

Tetradic

#1b1a15

#161b15

#15161b

#1a151b

Square

#1b1a15

#151b17

#15161b

#1b1519

Shades

Color #1b1a15 mixed toward black.

#161611

#12110e

#0d0d0a

#090907

#040403

Tints

Color #1b1a15 mixed toward white.

#464437

#726d58

#9a957d

#bcb8a8

#dddcd4

Tones

Color #1b1a15 mixed toward gray.

#1a1a15

#1a1916

#191916

#191917

#181817

Accessibility

Aa White text on this color

17.42:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.42:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b16 · ΔE 0.8

Deuteranopia

#1b1b17 · ΔE 0.9

Tritanopia

#1b1717 · ΔE 4.8

Achromatopsia

#1a1a1a · ΔE 3.5

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

Code

CSS

background-color: #1b1a15;

Tailwind (arbitrary value)

bg-[#1b1a15]

Related colors

Gold #ffd700

Cornsilk #fff8dc

Khaki #f0e68c

Lemon Chiffon #fffacd

Pale Goldenrod #eee8aa

Dark Khaki #bdb76b

Frequently asked questions

#1b1a15 (#1b1a15) is rgb(27, 26, 21) in RGB.

No, #1b1a15 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 #1b1a15, or check how it holds up for accessibility.

Generate a palette → Check contrast