#1c152e

Color #1c152e

A muted very dark blue.

Closest named color Black #000000 · ΔE 20.85 Nearest Tailwind class slate-900 #0f172b · ΔE 7.1

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

Conversions

HEX

#1c152e

RGB

rgb(28, 21, 46)

HSL

hsl(256.8, 37.3%, 13.1%)

HSV / HSB

hsv(256.8, 54.3%, 18%)

CMYK

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

LAB

lab(8.83, 10.69, -15.57)

LCH

lch(8.83, 18.89, 304.47)

OKLCH

oklch(21.8%, 0.0483, 294.97)

HWB

hwb(256.8, 8.2%, 82%)

Harmony colors

Complementary

#272e15

Analogous

#151a2e

#1c152e

#28152e

Triadic

#1c152e

#2e1c15

#152e1c

Split-complementary

#1c152e

#2e2815

#1a2e15

Tetradic

#1c152e

#2e1527

#272e15

#152e1c

Square

#1c152e

#2e151a

#272e15

#152e28

Shades

Color #1c152e mixed toward black.

#171126

#130e1f

#0e0a17

#09070f

#050308

Tints

Color #1c152e mixed toward white.

#3b2c61

#5a4393

#7e67ba

#a99ad1

#d4cce8

Tones

Color #1c152e mixed toward gray.

#1d172c

#1e192a

#1f1b28

#201d26

#201f23

Accessibility

Aa White text on this color

17.56:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#191929 · ΔE 5.7

Deuteranopia

#1a1a28 · ΔE 6.7

Tritanopia

#1c2524 · ΔE 18.9

Achromatopsia

#191919 · ΔE 14.8

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

Code

CSS

background-color: #1c152e;

Tailwind (arbitrary value)

bg-[#1c152e]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#1c152e (#1c152e) is rgb(28, 21, 46) in RGB.

No, #1c152e 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.

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 #1c152e, or check how it holds up for accessibility.

Generate a palette → Check contrast