#1e37a5

Color #1e37a5

A moderately saturated dark blue.

Closest named color Slate Blue #6a5acd · ΔE 17.4 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.8

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Conversions

HEX

#1e37a5

RGB

rgb(30, 55, 165)

HSL

hsl(228.9, 69.2%, 38.2%)

HSV / HSB

hsv(228.9, 81.8%, 64.7%)

CMYK

cmyk(81.8%, 66.7%, 0%, 35.3%)

LAB

lab(28.71, 32.56, -61.52)

LCH

lch(28.71, 69.61, 297.89)

OKLCH

oklch(39.8%, 0.1784, 267.14)

HWB

hwb(228.9, 11.8%, 35.3%)

Harmony colors

Complementary

#a58c1e

Analogous

#1e7aa5

#1e37a5

#481ea5

Triadic

#1e37a5

#a51e37

#37a51e

Split-complementary

#1e37a5

#a5481e

#7aa51e

Tetradic

#1e37a5

#8c1ea5

#a58c1e

#37a51e

Square

#1e37a5

#a51e7a

#a58c1e

#1ea548

Shades

Color #1e37a5 mixed toward black.

#192e89

#14256e

#0f1b52

#0a1237

#05091b

Tints

Color #1e37a5 mixed toward white.

#2646d1

#4d68df

#7a8ee7

#a6b4ef

#d3d9f7

Tones

Color #1e37a5 mixed toward gray.

#293e9a

#34458e

#404c83

#4b5378

#565a6d

Accessibility

Aa White text on this color

9.79:1

Aa Black text on this color

2.15:1

White text reads better on this background (9.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b94 · ΔE 4.4

Deuteranopia

#29278f · ΔE 5.5

Tritanopia

#208480 · ΔE 38.3

Achromatopsia

#444444 · ΔE 27.2

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

Code

CSS

background-color: #1e37a5;

Tailwind (arbitrary value)

bg-[#1e37a5]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1e37a5 (#1e37a5) is rgb(30, 55, 165) in RGB.

No, #1e37a5 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 #1e37a5, or check how it holds up for accessibility.

Generate a palette → Check contrast