#151c2e

Color #151c2e

A muted very dark blue.

Closest named color Black #000000 · ΔE 16.98 Nearest Tailwind class gray-900 #101828 · ΔE 1.8

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

Conversions

HEX

#151c2e

RGB

rgb(21, 28, 46)

HSL

hsl(223.2, 37.3%, 13.1%)

HSV / HSB

hsv(223.2, 54.3%, 18%)

CMYK

cmyk(54.3%, 39.1%, 0%, 82%)

LAB

lab(10.46, 2.93, -13.05)

LCH

lch(10.46, 13.37, 282.65)

OKLCH

oklch(22.9%, 0.0366, 267.34)

HWB

hwb(223.2, 8.2%, 82%)

Harmony colors

Complementary

#2e2715

Analogous

#15282e

#151c2e

#1a152e

Triadic

#151c2e

#2e151c

#1c2e15

Split-complementary

#151c2e

#2e1a15

#282e15

Tetradic

#151c2e

#27152e

#2e2715

#1c2e15

Square

#151c2e

#2e1528

#2e2715

#152e1a

Shades

Color #151c2e mixed toward black.

#111726

#0e131f

#0a0e17

#07090f

#030508

Tints

Color #151c2e mixed toward white.

#2c3b61

#435a93

#677eba

#9aa9d1

#ccd4e8

Tones

Color #151c2e mixed toward gray.

#171d2c

#191e2a

#1b1f28

#1d2026

#1f2023

Accessibility

Aa White text on this color

16.97:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#18182a · ΔE 3.6

Deuteranopia

#181729 · ΔE 4.2

Tritanopia

#152727 · ΔE 14.6

Achromatopsia

#1c1c1c · ΔE 10.5

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

Code

CSS

background-color: #151c2e;

Tailwind (arbitrary value)

bg-[#151c2e]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#151c2e (#151c2e) is rgb(21, 28, 46) in RGB.

No, #151c2e 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #151c2e, or check how it holds up for accessibility.

Generate a palette → Check contrast