#1a3b6f

Color #1a3b6f

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.88 Nearest Tailwind class blue-900 #1c398e · ΔE 5.3

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Conversions

HEX

#1a3b6f

RGB

rgb(26, 59, 111)

HSL

hsl(216.7, 62%, 26.9%)

HSV / HSB

hsv(216.7, 76.6%, 43.5%)

CMYK

cmyk(76.6%, 46.8%, 0%, 56.5%)

LAB

lab(25.24, 7.78, -33.65)

LCH

lch(25.24, 34.54, 283.02)

OKLCH

oklch(35.8%, 0.098, 259.24)

HWB

hwb(216.7, 10.2%, 56.5%)

Harmony colors

Complementary

#6f4e1a

Analogous

#1a666f

#1a3b6f

#241a6f

Triadic

#1a3b6f

#6f1a3b

#3b6f1a

Split-complementary

#1a3b6f

#6f241a

#666f1a

Tetradic

#1a3b6f

#4e1a6f

#6f4e1a

#3b6f1a

Square

#1a3b6f

#6f1a66

#6f4e1a

#1a6f24

Shades

Color #1a3b6f mixed toward black.

#16315d

#11274a

#0d1e38

#091425

#040a13

Tints

Color #1a3b6f mixed toward white.

#2656a1

#3672d0

#6895dc

#9ab8e7

#cddcf3

Tones

Color #1a3b6f mixed toward gray.

#213d68

#283e61

#2f405a

#364153

#3e434c

Accessibility

Aa White text on this color

11.06:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.06:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c65 · ΔE 7.8

Deuteranopia

#2a2763 · ΔE 9.1

Tritanopia

#1d5d5b · ΔE 25.5

Achromatopsia

#3c3c3c · ΔE 19.7

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

Code

CSS

background-color: #1a3b6f;

Tailwind (arbitrary value)

bg-[#1a3b6f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1a3b6f (#1a3b6f) is rgb(26, 59, 111) in RGB.

No, #1a3b6f 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.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

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

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Build something with this color

Generate a full palette from #1a3b6f, or check how it holds up for accessibility.

Generate a palette → Check contrast