#171f35

Color #171f35

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 19.38 Nearest Tailwind class slate-900 #0f172b · ΔE 2.6

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Conversions

HEX

#171f35

RGB

rgb(23, 31, 53)

HSL

hsl(224, 39.5%, 14.9%)

HSV / HSB

hsv(224, 56.6%, 20.8%)

CMYK

cmyk(56.6%, 41.5%, 0%, 79.2%)

LAB

lab(12.08, 3.97, -15.55)

LCH

lch(12.08, 16.05, 284.32)

OKLCH

oklch(24.3%, 0.0438, 267.91)

HWB

hwb(224, 9%, 79.2%)

Harmony colors

Complementary

#352d17

Analogous

#172e35

#171f35

#1e1735

Triadic

#171f35

#35171f

#1f3517

Split-complementary

#171f35

#351e17

#2e3517

Tetradic

#171f35

#2d1735

#352d17

#1f3517

Square

#171f35

#35172e

#352d17

#17351e

Shades

Color #171f35 mixed toward black.

#131a2c

#0f1523

#0b0f1b

#080a12

#040509

Tints

Color #171f35 mixed toward white.

#2d3c67

#435a9a

#687ebd

#9aa9d3

#cdd4e9

Tones

Color #171f35 mixed toward gray.

#192033

#1c2130

#1e222d

#21242b

#232528

Accessibility

Aa White text on this color

16.36:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b31 · ΔE 3.7

Deuteranopia

#1a1a30 · ΔE 3.8

Tritanopia

#172d2c · ΔE 17.4

Achromatopsia

#202020 · ΔE 12.1

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

Code

CSS

background-color: #171f35;

Tailwind (arbitrary value)

bg-[#171f35]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#171f35 (#171f35) is rgb(23, 31, 53) in RGB.

No, #171f35 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 #171f35, or check how it holds up for accessibility.

Generate a palette → Check contrast