#170b40

Color #170b40

A vivid, highly saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 22.09 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.3

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

Conversions

HEX

#170b40

RGB

rgb(23, 11, 64)

HSL

hsl(253.6, 70.7%, 14.7%)

HSV / HSB

hsv(253.6, 82.8%, 25.1%)

CMYK

cmyk(64.1%, 82.8%, 0%, 74.9%)

LAB

lab(7.15, 22.73, -31.36)

LCH

lch(7.15, 38.73, 305.93)

OKLCH

oklch(20.9%, 0.0937, 285.34)

HWB

hwb(253.6, 4.3%, 74.9%)

Harmony colors

Complementary

#34400b

Analogous

#0b1940

#170b40

#310b40

Triadic

#170b40

#40170b

#0b4017

Split-complementary

#170b40

#40310b

#19400b

Tetradic

#170b40

#400b34

#34400b

#0b4017

Square

#170b40

#400b19

#34400b

#0b4031

Shades

Color #170b40 mixed toward black.

#130935

#0f072b

#0b0520

#080415

#04020b

Tints

Color #170b40 mixed toward white.

#2d167e

#4320bc

#6845df

#9a83ea

#cdc1f4

Tones

Color #170b40 mixed toward gray.

#190f3c

#1c1437

#1e1833

#211d2e

#23212a

Accessibility

Aa White text on this color

18.13:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.13:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131238 · ΔE 4.4

Deuteranopia

#131436 · ΔE 5.8

Tritanopia

#17312f · ΔE 26

Achromatopsia

#161616 · ΔE 21.9

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

Code

CSS

background-color: #170b40;

Tailwind (arbitrary value)

bg-[#170b40]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#170b40 (#170b40) is rgb(23, 11, 64) in RGB.

No, #170b40 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 #170b40, or check how it holds up for accessibility.

Generate a palette → Check contrast