#2d3f88

Color #2d3f88

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 8.27 Nearest Tailwind class blue-900 #1c398e · ΔE 2.6

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Conversions

HEX

#2d3f88

RGB

rgb(45, 63, 136)

HSL

hsl(228.1, 50.3%, 35.5%)

HSV / HSB

hsv(228.1, 66.9%, 53.3%)

CMYK

cmyk(66.9%, 53.7%, 0%, 46.7%)

LAB

lab(29.13, 18.02, -43.06)

LCH

lch(29.13, 46.68, 292.71)

OKLCH

oklch(39.6%, 0.1236, 269.58)

HWB

hwb(228.1, 17.6%, 46.7%)

Harmony colors

Complementary

#88762d

Analogous

#2d6d88

#2d3f88

#482d88

Triadic

#2d3f88

#882d3f

#3f882d

Split-complementary

#2d3f88

#88482d

#6d882d

Tetradic

#2d3f88

#762d88

#88762d

#3f882d

Square

#2d3f88

#882d6d

#88762d

#2d8848

Shades

Color #2d3f88 mixed toward black.

#253571

#1e2a5b

#162044

#0f152d

#070b17

Tints

Color #2d3f88 mixed toward white.

#3b52b1

#5a70c9

#8394d6

#adb8e4

#d6dbf1

Tones

Color #2d3f88 mixed toward gray.

#354480

#3c4879

#444d71

#4b516a

#535662

Accessibility

Aa White text on this color

9.64:1

Aa Black text on this color

2.18:1

White text reads better on this background (9.64:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#36367b · ΔE 4.4

Deuteranopia

#353378 · ΔE 5.2

Tritanopia

#2e706d · ΔE 30.3

Achromatopsia

#454545 · ΔE 23.1

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

Code

CSS

background-color: #2d3f88;

Tailwind (arbitrary value)

bg-[#2d3f88]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#2d3f88 (#2d3f88) is rgb(45, 63, 136) in RGB.

No, #2d3f88 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 #2d3f88, or check how it holds up for accessibility.

Generate a palette → Check contrast