#12102e

Color #12102e

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 23.3 Nearest Tailwind class slate-900 #0f172b · ΔE 6.4

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

Conversions

HEX

#12102e

RGB

rgb(18, 16, 46)

HSL

hsl(244, 48.4%, 12.2%)

HSV / HSB

hsv(244, 65.2%, 18%)

CMYK

cmyk(60.9%, 65.2%, 0%, 82%)

LAB

lab(6.29, 10.78, -19.67)

LCH

lch(6.29, 22.43, 298.72)

OKLCH

oklch(19.6%, 0.0582, 282.6)

HWB

hwb(244, 6.3%, 82%)

Harmony colors

Complementary

#2c2e10

Analogous

#101d2e

#12102e

#21102e

Triadic

#12102e

#2e1210

#102e12

Split-complementary

#12102e

#2e2110

#1d2e10

Tetradic

#12102e

#2e102c

#2c2e10

#102e12

Square

#12102e

#2e101d

#2c2e10

#102e21

Shades

Color #12102e mixed toward black.

#0f0d26

#0c0b1f

#090817

#06050f

#030308

Tints

Color #12102e mixed toward white.

#282366

#3d379d

#6059c5

#9590d8

#cac8ec

Tones

Color #12102e mixed toward gray.

#14132c

#161529

#191827

#1b1a24

#1d1d22

Accessibility

Aa White text on this color

18.43:1

Aa Black text on this color

1.14:1

White text reads better on this background (18.43:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#111129 · ΔE 2.8

Deuteranopia

#111127 · ΔE 3.7

Tritanopia

#122423 · ΔE 21.8

Achromatopsia

#141414 · ΔE 16.1

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

Code

CSS

background-color: #12102e;

Tailwind (arbitrary value)

bg-[#12102e]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#12102e (#12102e) is rgb(18, 16, 46) in RGB.

No, #12102e 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 #12102e, or check how it holds up for accessibility.

Generate a palette → Check contrast