#2d4f87

Color #2d4f87

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.67 Nearest Tailwind class sky-900 #024a70 · ΔE 7.2

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

Conversions

HEX

#2d4f87

RGB

rgb(45, 79, 135)

HSL

hsl(217.3, 50%, 35.3%)

HSV / HSB

hsv(217.3, 66.7%, 52.9%)

CMYK

cmyk(66.7%, 41.5%, 0%, 47.1%)

LAB

lab(33.77, 6.85, -35.01)

LCH

lch(33.77, 35.67, 281.07)

OKLCH

oklch(43.1%, 0.1013, 259.88)

HWB

hwb(217.3, 17.6%, 47.1%)

Harmony colors

Complementary

#87652d

Analogous

#2d7c87

#2d4f87

#382d87

Triadic

#2d4f87

#872d4f

#4f872d

Split-complementary

#2d4f87

#87382d

#7c872d

Tetradic

#2d4f87

#652d87

#87652d

#4f872d

Square

#2d4f87

#872d7c

#87652d

#2d8738

Shades

Color #2d4f87 mixed toward black.

#264271

#1e355a

#172844

#0f1a2d

#080d17

Tints

Color #2d4f87 mixed toward white.

#3b67b0

#5a84c8

#83a2d6

#adc1e4

#d6e0f1

Tones

Color #2d4f87 mixed toward gray.

#355180

#3c5378

#445571

#4b5669

#535862

Accessibility

Aa White text on this color

8.14:1

Aa Black text on this color

2.58:1

White text reads better on this background (8.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3e3f7c · ΔE 8.3

Deuteranopia

#3c3a7a · ΔE 9.6

Tritanopia

#2f7371 · ΔE 25.8

Achromatopsia

#4f4f4f · ΔE 20

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

Code

CSS

background-color: #2d4f87;

Tailwind (arbitrary value)

bg-[#2d4f87]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#2d4f87 (#2d4f87) is rgb(45, 79, 135) in RGB.

No, #2d4f87 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

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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 #2d4f87, or check how it holds up for accessibility.

Generate a palette → Check contrast