#1d556b

Color #1d556b

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 13.3 Nearest Tailwind class cyan-900 #104e64 · ΔE 2.4

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Conversions

HEX

#1d556b

RGB

rgb(29, 85, 107)

HSL

hsl(196.9, 57.4%, 26.7%)

HSV / HSB

hsv(196.9, 72.9%, 42%)

CMYK

cmyk(72.9%, 20.6%, 0%, 58%)

LAB

lab(33.6, -10.31, -17.95)

LCH

lch(33.6, 20.7, 240.13)

OKLCH

oklch(42.3%, 0.0678, 227.87)

HWB

hwb(196.9, 11.4%, 58%)

Harmony colors

Complementary

#6b331d

Analogous

#1d6b5a

#1d556b

#1d2e6b

Triadic

#1d556b

#6b1d55

#556b1d

Split-complementary

#1d556b

#6b1d2e

#6b5a1d

Tetradic

#1d556b

#331d6b

#6b331d

#556b1d

Square

#1d556b

#5a1d6b

#6b331d

#2e6b1d

Shades

Color #1d556b mixed toward black.

#184759

#133947

#0f2b36

#0a1c24

#050e12

Tints

Color #1d556b mixed toward white.

#2a7c9c

#3ba2ca

#6cb9d7

#9dd0e4

#cee8f2

Tones

Color #1d556b mixed toward gray.

#245265

#2a4f5e

#314d58

#374a51

#3e474b

Accessibility

Aa White text on this color

8.19:1

Aa Black text on this color

2.56:1

White text reads better on this background (8.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3d66 · ΔE 18.9

Deuteranopia

#3a3565 · ΔE 20

Tritanopia

#226261 · ΔE 12.4

Achromatopsia

#4f4f4f · ΔE 15.4

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

Code

CSS

background-color: #1d556b;

Tailwind (arbitrary value)

bg-[#1d556b]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#1d556b (#1d556b) is rgb(29, 85, 107) in RGB.

No, #1d556b 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 #1d556b, or check how it holds up for accessibility.

Generate a palette → Check contrast