#283c7a

Color #283c7a

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.49 Nearest Tailwind class blue-900 #1c398e · ΔE 3.7

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

Conversions

HEX

#283c7a

RGB

rgb(40, 60, 122)

HSL

hsl(225.4, 50.6%, 31.8%)

HSV / HSB

hsv(225.4, 67.2%, 47.8%)

CMYK

cmyk(67.2%, 50.8%, 0%, 52.2%)

LAB

lab(26.98, 13.85, -37.8)

LCH

lch(26.98, 40.26, 290.12)

OKLCH

oklch(37.6%, 0.1084, 267.52)

HWB

hwb(225.4, 15.7%, 52.2%)

Harmony colors

Complementary

#7a6628

Analogous

#28657a

#283c7a

#3d287a

Triadic

#283c7a

#7a283c

#3c7a28

Split-complementary

#283c7a

#7a3d28

#657a28

Tetradic

#283c7a

#66287a

#7a6628

#3c7a28

Square

#283c7a

#7a2865

#7a6628

#287a3d

Shades

Color #283c7a mixed toward black.

#213266

#1b2851

#141e3d

#0d1429

#070a14

Tints

Color #283c7a mixed toward white.

#3651a6

#506dc6

#7c91d4

#a8b6e2

#d3daf1

Tones

Color #283c7a mixed toward gray.

#2f4073

#36436c

#3d4766

#434a5f

#4a4e58

Accessibility

Aa White text on this color

10.41:1

Aa Black text on this color

2.02:1

White text reads better on this background (10.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#32326f · ΔE 5

Deuteranopia

#312f6c · ΔE 5.8

Tritanopia

#296563 · ΔE 27.7

Achromatopsia

#404040 · ΔE 21.5

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

Code

CSS

background-color: #283c7a;

Tailwind (arbitrary value)

bg-[#283c7a]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#283c7a (#283c7a) is rgb(40, 60, 122) in RGB.

No, #283c7a 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 #283c7a, or check how it holds up for accessibility.

Generate a palette → Check contrast