#15142b

Color #15142b

A muted very dark blue.

Closest named color Black #000000 · ΔE 18.94 Nearest Tailwind class slate-900 #0f172b · ΔE 4.6

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Conversions

HEX

#15142b

RGB

rgb(21, 20, 43)

HSL

hsl(242.6, 36.5%, 12.4%)

HSV / HSB

hsv(242.6, 53.5%, 16.9%)

CMYK

cmyk(51.2%, 53.5%, 0%, 83.1%)

LAB

lab(7.53, 7.95, -15.45)

LCH

lch(7.53, 17.38, 297.23)

OKLCH

oklch(20.6%, 0.045, 283.63)

HWB

hwb(242.6, 7.8%, 83.1%)

Harmony colors

Complementary

#2a2b14

Analogous

#141f2b

#15142b

#21142b

Triadic

#15142b

#2b1514

#142b15

Split-complementary

#15142b

#2b2114

#1f2b14

Tetradic

#15142b

#2b142a

#2a2b14

#142b15

Square

#15142b

#2b141f

#2a2b14

#142b21

Shades

Color #15142b mixed toward black.

#121124

#0e0d1d

#0b0a16

#07070e

#040307

Tints

Color #15142b mixed toward white.

#2e2c5e

#474391

#6a67b8

#9c99d0

#cdcce7

Tones

Color #15142b mixed toward gray.

#171629

#191827

#1a1a25

#1c1c23

#1e1e22

Accessibility

Aa White text on this color

18:1

Aa Black text on this color

1.17:1

White text reads better on this background (18:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151527 · ΔE 2.5

Deuteranopia

#151526 · ΔE 3

Tritanopia

#152322 · ΔE 18.7

Achromatopsia

#171717 · ΔE 13.5

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

Code

CSS

background-color: #15142b;

Tailwind (arbitrary value)

bg-[#15142b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#15142b (#15142b) is rgb(21, 20, 43) in RGB.

No, #15142b 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 #15142b, or check how it holds up for accessibility.

Generate a palette → Check contrast