#1d3eb5

Color #1d3eb5

A vivid, highly saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 15.82 Nearest Tailwind class blue-800 #193cb8 · ΔE 0.7

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Conversions

HEX

#1d3eb5

RGB

rgb(29, 62, 181)

HSL

hsl(227, 72.4%, 41.2%)

HSV / HSB

hsv(227, 84%, 71%)

CMYK

cmyk(84%, 65.7%, 0%, 29%)

LAB

lab(31.9, 33.95, -65.84)

LCH

lch(31.9, 74.08, 297.28)

OKLCH

oklch(42.6%, 0.1913, 265.92)

HWB

hwb(227, 11.4%, 29%)

Harmony colors

Complementary

#b5941d

Analogous

#1d8ab5

#1d3eb5

#481db5

Triadic

#1d3eb5

#b51d3e

#3eb51d

Split-complementary

#1d3eb5

#b5481d

#8ab51d

Tetradic

#1d3eb5

#941db5

#b5941d

#3eb51d

Square

#1d3eb5

#b51d8a

#b5941d

#1db548

Shades

Color #1d3eb5 mixed toward black.

#183497

#132979

#0e1f5b

#0a153c

#050a1e

Tints

Color #1d3eb5 mixed toward white.

#284fdd

#5372e3

#7e95ea

#a9b9f1

#d4dcf8

Tones

Color #1d3eb5 mixed toward gray.

#2a45a8

#364c9c

#43548f

#505b82

#5c6276

Accessibility

Aa White text on this color

8.72:1

Aa Black text on this color

2.41:1

White text reads better on this background (8.72:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2fa2 · ΔE 5.2

Deuteranopia

#2d2a9d · ΔE 6.6

Tritanopia

#20918d · ΔE 40.3

Achromatopsia

#4b4b4b · ΔE 27.8

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

Code

CSS

background-color: #1d3eb5;

Tailwind (arbitrary value)

bg-[#1d3eb5]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1d3eb5 (#1d3eb5) is rgb(29, 62, 181) in RGB.

No, #1d3eb5 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 #1d3eb5, or check how it holds up for accessibility.

Generate a palette → Check contrast