#2d5aa3

Color #2d5aa3

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.81 Nearest Tailwind class sky-800 #00598a · ΔE 6.7

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

Conversions

HEX

#2d5aa3

RGB

rgb(45, 90, 163)

HSL

hsl(217.1, 56.7%, 40.8%)

HSV / HSB

hsv(217.1, 72.4%, 63.9%)

CMYK

cmyk(72.4%, 44.8%, 0%, 36.1%)

LAB

lab(38.75, 10.21, -44)

LCH

lch(38.75, 45.17, 283.06)

OKLCH

oklch(47.5%, 0.128, 259.65)

HWB

hwb(217.1, 17.6%, 36.1%)

Harmony colors

Complementary

#a3762d

Analogous

#2d95a3

#2d5aa3

#3b2da3

Triadic

#2d5aa3

#a32d5a

#5aa32d

Split-complementary

#2d5aa3

#a33b2d

#95a32d

Tetradic

#2d5aa3

#762da3

#a3762d

#5aa32d

Square

#2d5aa3

#a32d95

#a3762d

#2da33b

Shades

Color #2d5aa3 mixed toward black.

#264b88

#1e3c6d

#172d52

#0f1e36

#080f1b

Tints

Color #2d5aa3 mixed toward white.

#3a70c9

#618dd3

#89a9de

#b0c6e9

#d8e2f4

Tones

Color #2d5aa3 mixed toward gray.

#375c99

#415f8f

#4b6186

#54637c

#5e6672

Accessibility

Aa White text on this color

6.77:1

Aa Black text on this color

3.1:1

White text reads better on this background (6.77:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#454595 · ΔE 10

Deuteranopia

#423f92 · ΔE 11.4

Tritanopia

#308987 · ΔE 29.7

Achromatopsia

#5b5b5b · ΔE 22.5

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

Code

CSS

background-color: #2d5aa3;

Tailwind (arbitrary value)

bg-[#2d5aa3]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#2d5aa3 (#2d5aa3) is rgb(45, 90, 163) in RGB.

No, #2d5aa3 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #2d5aa3, or check how it holds up for accessibility.

Generate a palette → Check contrast