#1f4151

Color #1f4151

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 7.09 Nearest Tailwind class cyan-950 #053345 · ΔE 4.7

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

Conversions

HEX

#1f4151

RGB

rgb(31, 65, 81)

HSL

hsl(199.2, 44.6%, 22%)

HSV / HSB

hsv(199.2, 61.7%, 31.8%)

CMYK

cmyk(61.7%, 19.8%, 0%, 68.2%)

LAB

lab(25.76, -6.96, -13.4)

LCH

lch(25.76, 15.1, 242.55)

OKLCH

oklch(35.7%, 0.0483, 230.54)

HWB

hwb(199.2, 12.2%, 68.2%)

Harmony colors

Complementary

#512f1f

Analogous

#1f5148

#1f4151

#1f2851

Triadic

#1f4151

#511f41

#41511f

Split-complementary

#1f4151

#511f28

#51481f

Tetradic

#1f4151

#2f1f51

#512f1f

#41511f

Square

#1f4151

#481f51

#512f1f

#28511f

Shades

Color #1f4151 mixed toward black.

#1a3644

#152b36

#102129

#0a161b

#050b0e

Tints

Color #1f4151 mixed toward white.

#316881

#448eb1

#6facc8

#9fc7da

#cfe3ed

Tones

Color #1f4151 mixed toward gray.

#23404d

#273e49

#2c3d45

#303b40

#343a3c

Accessibility

Aa White text on this color

10.86:1

Aa Black text on this color

1.93:1

White text reads better on this background (10.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#31314d · ΔE 16.5

Deuteranopia

#2f2c4d · ΔE 18.1

Tritanopia

#224b4a · ΔE 10.7

Achromatopsia

#3d3d3d · ΔE 12.3

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

Code

CSS

background-color: #1f4151;

Tailwind (arbitrary value)

bg-[#1f4151]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Deep Sky Blue #00bfff

Light Blue #add8e6

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#1f4151 (#1f4151) is rgb(31, 65, 81) in RGB.

No, #1f4151 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 #1f4151, or check how it holds up for accessibility.

Generate a palette → Check contrast