#1b5c71

Color #1b5c71

A moderately saturated dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 14.91 Nearest Tailwind class cyan-800 #005f78 · ΔE 1.8

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

Conversions

HEX

#1b5c71

RGB

rgb(27, 92, 113)

HSL

hsl(194.7, 61.4%, 27.5%)

HSV / HSB

hsv(194.7, 76.1%, 44.3%)

CMYK

cmyk(76.1%, 18.6%, 0%, 55.7%)

LAB

lab(36.14, -12.59, -17.78)

LCH

lch(36.14, 21.79, 234.7)

OKLCH

oklch(44.4%, 0.0719, 223.82)

HWB

hwb(194.7, 10.6%, 55.7%)

Harmony colors

Complementary

#71301b

Analogous

#1b715b

#1b5c71

#1b3171

Triadic

#1b5c71

#711b5c

#5c711b

Split-complementary

#1b5c71

#711b31

#715b1b

Tetradic

#1b5c71

#301b71

#71301b

#5c711b

Square

#1b5c71

#5b1b71

#71301b

#31711b

Shades

Color #1b5c71 mixed toward black.

#174d5e

#123d4b

#0e2e39

#091f26

#050f13

Tints

Color #1b5c71 mixed toward white.

#2785a3

#38aacf

#6ac0db

#9cd5e7

#cdeaf3

Tones

Color #1b5c71 mixed toward gray.

#22586a

#295563

#31515c

#384d54

#3f4a4d

Accessibility

Aa White text on this color

7.46:1

Aa Black text on this color

2.82:1

White text reads better on this background (7.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#41416c · ΔE 20.5

Deuteranopia

#3d386b · ΔE 21.6

Tritanopia

#226968 · ΔE 11.5

Achromatopsia

#555555 · ΔE 16.3

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

Code

CSS

background-color: #1b5c71;

Tailwind (arbitrary value)

bg-[#1b5c71]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#1b5c71 (#1b5c71) is rgb(27, 92, 113) in RGB.

No, #1b5c71 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1b5c71, or check how it holds up for accessibility.

Generate a palette → Check contrast