#151e2d

Color #151e2d

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.89 Nearest Tailwind class gray-900 #101828 · ΔE 2.2

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Conversions

HEX

#151e2d

RGB

rgb(21, 30, 45)

HSL

hsl(217.5, 36.4%, 12.9%)

HSV / HSB

hsv(217.5, 53.3%, 17.6%)

CMYK

cmyk(53.3%, 33.3%, 0%, 82.4%)

LAB

lab(11.12, 1.05, -11.3)

LCH

lch(11.12, 11.35, 275.31)

OKLCH

oklch(23.4%, 0.032, 260.27)

HWB

hwb(217.5, 8.2%, 82.4%)

Harmony colors

Complementary

#2d2415

Analogous

#152a2d

#151e2d

#18152d

Triadic

#151e2d

#2d151e

#1e2d15

Split-complementary

#151e2d

#2d1815

#2a2d15

Tetradic

#151e2d

#24152d

#2d2415

#1e2d15

Square

#151e2d

#2d152a

#2d2415

#152d18

Shades

Color #151e2d mixed toward black.

#111925

#0e141e

#0a0f16

#070a0f

#030507

Tints

Color #151e2d mixed toward white.

#2c405f

#446192

#6886b8

#9aaed0

#cdd7e7

Tones

Color #151e2d mixed toward gray.

#171e2b

#191f29

#1b1f27

#1d2025

#1f2023

Accessibility

Aa White text on this color

16.73:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.73:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#19192a · ΔE 5.4

Deuteranopia

#191829 · ΔE 6

Tritanopia

#162727 · ΔE 12.1

Achromatopsia

#1e1e1e · ΔE 9.1

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

Code

CSS

background-color: #151e2d;

Tailwind (arbitrary value)

bg-[#151e2d]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#151e2d (#151e2d) is rgb(21, 30, 45) in RGB.

No, #151e2d 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 #151e2d, or check how it holds up for accessibility.

Generate a palette → Check contrast