#1a3f76

Color #1a3f76

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.77 Nearest Tailwind class blue-900 #1c398e · ΔE 5.1

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

Conversions

HEX

#1a3f76

RGB

rgb(26, 63, 118)

HSL

hsl(215.9, 63.9%, 28.2%)

HSV / HSB

hsv(215.9, 78%, 46.3%)

CMYK

cmyk(78%, 46.6%, 0%, 53.7%)

LAB

lab(26.97, 7.87, -35.33)

LCH

lch(26.97, 36.2, 282.56)

OKLCH

oklch(37.3%, 0.1033, 258.39)

HWB

hwb(215.9, 10.2%, 53.7%)

Harmony colors

Complementary

#76511a

Analogous

#1a6d76

#1a3f76

#231a76

Triadic

#1a3f76

#761a3f

#3f761a

Split-complementary

#1a3f76

#76231a

#6d761a

Tetradic

#1a3f76

#511a76

#76511a

#3f761a

Square

#1a3f76

#761a6d

#76511a

#1a7623

Shades

Color #1a3f76 mixed toward black.

#163462

#112a4f

#0d1f3b

#091527

#040a14

Tints

Color #1a3f76 mixed toward white.

#255aa8

#3776d3

#6998de

#9bbae9

#cdddf4

Tones

Color #1a3f76 mixed toward gray.

#22406e

#294267

#31435f

#394557

#404650

Accessibility

Aa White text on this color

10.41:1

Aa Black text on this color

2.02:1

White text reads better on this background (10.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2e6c · ΔE 8.5

Deuteranopia

#2c2969 · ΔE 9.8

Tritanopia

#1d6361 · ΔE 26

Achromatopsia

#404040 · ΔE 20.2

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

Code

CSS

background-color: #1a3f76;

Tailwind (arbitrary value)

bg-[#1a3f76]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1a3f76 (#1a3f76) is rgb(26, 63, 118) in RGB.

No, #1a3f76 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 #1a3f76, or check how it holds up for accessibility.

Generate a palette → Check contrast