#1d3f7c

Color #1d3f7c

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.13 Nearest Tailwind class blue-900 #1c398e · ΔE 4.1

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Conversions

HEX

#1d3f7c

RGB

rgb(29, 63, 124)

HSL

hsl(218.5, 62.1%, 30%)

HSV / HSB

hsv(218.5, 76.6%, 48.6%)

CMYK

cmyk(76.6%, 49.2%, 0%, 51.4%)

LAB

lab(27.49, 10.74, -38.26)

LCH

lch(27.49, 39.74, 285.68)

OKLCH

oklch(37.8%, 0.1112, 261)

HWB

hwb(218.5, 11.4%, 51.4%)

Harmony colors

Complementary

#7c5a1d

Analogous

#1d6f7c

#1d3f7c

#2a1d7c

Triadic

#1d3f7c

#7c1d3f

#3f7c1d

Split-complementary

#1d3f7c

#7c2a1d

#6f7c1d

Tetradic

#1d3f7c

#5a1d7c

#7c5a1d

#3f7c1d

Square

#1d3f7c

#7c1d6f

#7c5a1d

#1d7c2a

Shades

Color #1d3f7c mixed toward black.

#183567

#132a53

#0e203e

#0a1529

#050b15

Tints

Color #1d3f7c mixed toward white.

#2858ac

#3e73d2

#6e96dd

#9fb9e8

#cfdcf4

Tones

Color #1d3f7c mixed toward gray.

#254174

#2d446c

#354664

#3d485c

#454a54

Accessibility

Aa White text on this color

10.22:1

Aa Black text on this color

2.05:1

White text reads better on this background (10.22:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f71 · ΔE 7.6

Deuteranopia

#2d2a6e · ΔE 8.9

Tritanopia

#206765 · ΔE 27.5

Achromatopsia

#414141 · ΔE 21.2

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

Code

CSS

background-color: #1d3f7c;

Tailwind (arbitrary value)

bg-[#1d3f7c]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1d3f7c (#1d3f7c) is rgb(29, 63, 124) in RGB.

No, #1d3f7c is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #1d3f7c, or check how it holds up for accessibility.

Generate a palette → Check contrast