#100b5e

Color #100b5e

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 6.24 Nearest Tailwind class violet-950 #2f0d68 · ΔE 4.4

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

Conversions

HEX

#100b5e

RGB

rgb(16, 11, 94)

HSL

hsl(243.6, 79%, 20.6%)

HSV / HSB

hsv(243.6, 88.3%, 36.9%)

CMYK

cmyk(83%, 88.3%, 0%, 63.1%)

LAB

lab(10.24, 32.62, -47.02)

LCH

lch(10.24, 57.23, 304.75)

OKLCH

oklch(24.1%, 0.1361, 272.06)

HWB

hwb(243.6, 4.3%, 63.1%)

Harmony colors

Complementary

#595e0b

Analogous

#0b305e

#100b5e

#3a0b5e

Triadic

#100b5e

#5e100b

#0b5e10

Split-complementary

#100b5e

#5e3a0b

#305e0b

Tetradic

#100b5e

#5e0b59

#595e0b

#0b5e10

Square

#100b5e

#5e0b30

#595e0b

#0b5e3a

Shades

Color #100b5e mixed toward black.

#0d094e

#0b073f

#08062f

#05041f

#030210

Tints

Color #100b5e mixed toward white.

#1a129a

#2519d7

#534aea

#8d86f1

#c6c3f8

Tones

Color #100b5e mixed toward gray.

#161257

#1c1950

#222049

#282742

#2e2e3b

Accessibility

Aa White text on this color

17.05:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.05:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e53 · ΔE 2.4

Deuteranopia

#0e0f50 · ΔE 3.2

Tritanopia

#104845 · ΔE 31.7

Achromatopsia

#1c1c1c · ΔE 25.3

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

Code

CSS

background-color: #100b5e;

Tailwind (arbitrary value)

bg-[#100b5e]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#100b5e (#100b5e) is rgb(16, 11, 94) in RGB.

No, #100b5e 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 #100b5e, or check how it holds up for accessibility.

Generate a palette → Check contrast