#285a8a

Color #285a8a

A moderately saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 15.89 Nearest Tailwind class sky-800 #00598a · ΔE 3.2

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Conversions

HEX

#285a8a

RGB

rgb(40, 90, 138)

HSL

hsl(209.4, 55.1%, 34.9%)

HSV / HSB

hsv(209.4, 71%, 54.1%)

CMYK

cmyk(71%, 34.8%, 0%, 45.9%)

LAB

lab(37.11, -0.04, -31.57)

LCH

lch(37.11, 31.57, 269.93)

OKLCH

oklch(45.7%, 0.0953, 249.87)

HWB

hwb(209.4, 15.7%, 45.9%)

Harmony colors

Complementary

#8a5828

Analogous

#288a89

#285a8a

#28298a

Triadic

#285a8a

#8a285a

#5a8a28

Split-complementary

#285a8a

#8a2829

#8a8928

Tetradic

#285a8a

#58288a

#8a5828

#5a8a28

Square

#285a8a

#89288a

#8a5828

#298a28

Shades

Color #285a8a mixed toward black.

#214b73

#1b3c5c

#142d45

#0d1e2e

#070f17

Tints

Color #285a8a mixed toward white.

#3476b5

#5392cd

#7eadda

#a9c8e6

#d4e4f3

Tones

Color #285a8a mixed toward gray.

#305a82

#385a7a

#405972

#495969

#515961

Accessibility

Aa White text on this color

7.19:1

Aa Black text on this color

2.92:1

White text reads better on this background (7.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#434480 · ΔE 12.2

Deuteranopia

#403c7e · ΔE 14.1

Tritanopia

#2c7876 · ΔE 22.8

Achromatopsia

#575757 · ΔE 18.5

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

Code

CSS

background-color: #285a8a;

Tailwind (arbitrary value)

bg-[#285a8a]

Related colors

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#285a8a (#285a8a) is rgb(40, 90, 138) in RGB.

No, #285a8a 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 #285a8a, or check how it holds up for accessibility.

Generate a palette → Check contrast