#370d8e

Color #370d8e

A vivid, highly saturated dark blue.

Closest named color Navy #000080 · ΔE 8.22 Nearest Tailwind class violet-900 #4d179a · ΔE 3.8

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

Conversions

HEX

#370d8e

RGB

rgb(55, 13, 142)

HSL

hsl(259.5, 83.2%, 30.4%)

HSV / HSB

hsv(259.5, 90.8%, 55.7%)

CMYK

cmyk(61.3%, 90.8%, 0%, 44.3%)

LAB

lab(20.25, 49.25, -61.3)

LCH

lch(20.25, 78.63, 308.78)

OKLCH

oklch(33.6%, 0.1833, 285.51)

HWB

hwb(259.5, 5.1%, 44.3%)

Harmony colors

Complementary

#648e0d

Analogous

#0d248e

#370d8e

#770d8e

Triadic

#370d8e

#8e370d

#0d8e37

Split-complementary

#370d8e

#8e770d

#248e0d

Tetradic

#370d8e

#8e0d64

#648e0d

#0d8e37

Square

#370d8e

#8e0d24

#648e0d

#0d8e77

Shades

Color #370d8e mixed toward black.

#2e0b76

#25095f

#1b0747

#12042f

#090218

Tints

Color #370d8e mixed toward white.

#4c12c4

#6626eb

#8c5cf0

#b393f5

#d9c9fa

Tones

Color #370d8e mixed toward gray.

#3b1883

#3e2379

#422d6e

#463863

#4a4358

Accessibility

Aa White text on this color

13.04:1

Aa Black text on this color

1.61:1

White text reads better on this background (13.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a7d · ΔE 7.6

Deuteranopia

#2c2f79 · ΔE 9.4

Tritanopia

#366e6a · ΔE 36.6

Achromatopsia

#313131 · ΔE 28.4

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

Code

CSS

background-color: #370d8e;

Tailwind (arbitrary value)

bg-[#370d8e]

Related colors

Medium Purple #9370db

Rebecca Purple #663399

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Blue Violet #8a2be2

Frequently asked questions

#370d8e (#370d8e) is rgb(55, 13, 142) in RGB.

No, #370d8e 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #370d8e, or check how it holds up for accessibility.

Generate a palette → Check contrast