#12171a

Color #12171a

A muted very dark blue.

Closest named color Black #000000 · ΔE 8.03 Nearest Tailwind class mist-900 #161b1d · ΔE 1.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#12171a

RGB

rgb(18, 23, 26)

HSL

hsl(202.5, 18.2%, 8.6%)

HSV / HSB

hsv(202.5, 30.8%, 10.2%)

CMYK

cmyk(30.8%, 11.5%, 0%, 89.8%)

LAB

lab(7.37, -1.36, -2.88)

LCH

lch(7.37, 3.18, 244.72)

OKLCH

oklch(20.1%, 0.0097, 234.19)

HWB

hwb(202.5, 7.1%, 89.8%)

Harmony colors

Complementary

#1a1512

Analogous

#121a19

#12171a

#12131a

Triadic

#12171a

#1a1217

#171a12

Split-complementary

#12171a

#1a1213

#1a1912

Tetradic

#12171a

#15121a

#1a1512

#171a12

Square

#12171a

#19121a

#1a1512

#131a12

Shades

Color #12171a mixed toward black.

#0f1316

#0c0f11

#090b0d

#060809

#030404

Tints

Color #12171a mixed toward white.

#324048

#516876

#7590a0

#a3b5bf

#d1dadf

Tones

Color #12171a mixed toward gray.

#131719

#141618

#151617

Accessibility

Aa White text on this color

18.05:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.05:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#141419 · ΔE 3.8

Deuteranopia

#141419 · ΔE 3.8

Tritanopia

#121919 · ΔE 3

Achromatopsia

#161616 · ΔE 3.3

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

Code

CSS

background-color: #12171a;

Tailwind (arbitrary value)

bg-[#12171a]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Sky Blue #87ceeb

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Frequently asked questions

#12171a (#12171a) is rgb(18, 23, 26) in RGB.

No, #12171a 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.

Try it → Accessibility

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 #12171a, or check how it holds up for accessibility.

Generate a palette → Check contrast