#1b2525

Color #1b2525

A muted very dark cyan.

Closest named color Black #000000 · ΔE 14.52 Nearest Tailwind class mist-800 #22292b · ΔE 2.9

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Conversions

HEX

#1b2525

RGB

rgb(27, 37, 37)

HSL

hsl(180, 15.6%, 12.5%)

HSV / HSB

hsv(180, 27%, 14.5%)

CMYK

cmyk(27%, 0%, 0%, 85.5%)

LAB

lab(13.77, -4.37, -1.45)

LCH

lch(13.77, 4.6, 198.36)

OKLCH

oklch(25.5%, 0.0141, 196.5)

HWB

hwb(180, 10.6%, 85.5%)

Harmony colors

Complementary

#251b1b

Analogous

#1b2520

#1b2525

#1b2025

Triadic

#1b2525

#251b25

#25251b

Split-complementary

#1b2525

#251b20

#25201b

Tetradic

#1b2525

#1b1b25

#251b1b

#25251b

Square

#1b2525

#201b25

#251b1b

#20251b

Shades

Color #1b2525 mixed toward black.

#161f1f

#121919

#0d1212

#090c0c

#040606

Tints

Color #1b2525 mixed toward white.

#3a5050

#5a7b7b

#7ea1a1

#a9c0c0

#d4e0e0

Tones

Color #1b2525 mixed toward gray.

#1c2424

#1d2323

#1d2222

#1e2222

#1f2121

Accessibility

Aa White text on this color

15.7:1

Aa Black text on this color

1.34:1

White text reads better on this background (15.7:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202025 · ΔE 7.8

Deuteranopia

#1f1e25 · ΔE 9.4

Tritanopia

#1c2525 · ΔE 0.5

Achromatopsia

#232323 · ΔE 5.8

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

Code

CSS

background-color: #1b2525;

Tailwind (arbitrary value)

bg-[#1b2525]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#1b2525 (#1b2525) is rgb(27, 37, 37) in RGB.

No, #1b2525 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 #1b2525, or check how it holds up for accessibility.

Generate a palette → Check contrast