#045a63

Color #045a63

A vivid, highly saturated dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 11.2 Nearest Tailwind class teal-800 #005f5a · ΔE 7.1

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Conversions

HEX

#045a63

RGB

rgb(4, 90, 99)

HSL

hsl(185.7, 92.2%, 20.2%)

HSV / HSB

hsv(185.7, 96%, 38.8%)

CMYK

cmyk(96%, 9.1%, 0%, 61.2%)

LAB

lab(34.47, -18.95, -11.65)

LCH

lch(34.47, 22.24, 211.58)

OKLCH

oklch(42.8%, 0.072, 206.81)

HWB

hwb(185.7, 1.6%, 61.2%)

Harmony colors

Complementary

#630d04

Analogous

#04633d

#045a63

#042a63

Triadic

#045a63

#63045a

#5a6304

Split-complementary

#045a63

#63042a

#633d04

Tetradic

#045a63

#0d0463

#630d04

#5a6304

Square

#045a63

#3d0463

#630d04

#2a6304

Shades

Color #045a63 mixed toward black.

#034b53

#033c42

#022d32

#011e21

#010f11

Tints

Color #045a63 mixed toward white.

#0795a4

#09d0e5

#3be5f7

#7deefa

#bef6fc

Tones

Color #045a63 mixed toward gray.

#0c545b

#144d53

#1c474b

#244043

#2c3a3b

Accessibility

Aa White text on this color

7.93:1

Aa Black text on this color

2.65:1

White text reads better on this background (7.93:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c61 · ΔE 25.2

Deuteranopia

#383260 · ΔE 26.9

Tritanopia

#125f5f · ΔE 4.6

Achromatopsia

#515151 · ΔE 18

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

Code

CSS

background-color: #045a63;

Tailwind (arbitrary value)

bg-[#045a63]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#045a63 (#045a63) is rgb(4, 90, 99) in RGB.

No, #045a63 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 #045a63, or check how it holds up for accessibility.

Generate a palette → Check contrast