#1a00a4

Color #1a00a4

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 11.09 Nearest Tailwind class violet-900 #4d179a · ΔE 6.2

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

Conversions

HEX

#1a00a4

RGB

rgb(26, 0, 164)

HSL

hsl(249.5, 100%, 32.2%)

HSV / HSB

hsv(249.5, 100%, 64.3%)

CMYK

cmyk(84.1%, 100%, 0%, 35.7%)

LAB

lab(19.64, 57.22, -75.95)

LCH

lch(19.64, 95.09, 306.99)

OKLCH

oklch(33.4%, 0.2193, 269.69)

HWB

hwb(249.5, 0%, 35.7%)

Harmony colors

Complementary

#8aa400

Analogous

#0038a4

#1a00a4

#6c00a4

Triadic

#1a00a4

#a41a00

#00a41a

Split-complementary

#1a00a4

#a46c00

#38a400

Tetradic

#1a00a4

#a4008a

#8aa400

#00a41a

Square

#1a00a4

#a40038

#8aa400

#00a46c

Shades

Color #1a00a4 mixed toward black.

#160089

#11006d

#0d0052

#090037

#04001b

Tints

Color #1a00a4 mixed toward white.

#2300de

#3d18ff

#6d52ff

#9e8cff

#cec5ff

Tones

Color #1a00a4 mixed toward gray.

#230e97

#2d1b89

#36297b

#3f376d

#494460

Accessibility

Aa White text on this color

13.29:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121191 · ΔE 3.1

Deuteranopia

#13148b · ΔE 4.1

Tritanopia

#197f7a · ΔE 43.4

Achromatopsia

#303030 · ΔE 30.3

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

Code

CSS

background-color: #1a00a4;

Tailwind (arbitrary value)

bg-[#1a00a4]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1a00a4 (#1a00a4) is rgb(26, 0, 164) in RGB.

No, #1a00a4 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 #1a00a4, or check how it holds up for accessibility.

Generate a palette → Check contrast