#153a74

Color #153a74

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.86 Nearest Tailwind class blue-900 #1c398e · ΔE 4.6

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Conversions

HEX

#153a74

RGB

rgb(21, 58, 116)

HSL

hsl(216.6, 69.3%, 26.9%)

HSV / HSB

hsv(216.6, 81.9%, 45.5%)

CMYK

cmyk(81.9%, 50%, 0%, 54.5%)

LAB

lab(25.09, 9.89, -37.09)

LCH

lch(25.09, 38.39, 284.93)

OKLCH

oklch(35.7%, 0.1085, 259.32)

HWB

hwb(216.6, 8.2%, 54.5%)

Harmony colors

Complementary

#744f15

Analogous

#156a74

#153a74

#201574

Triadic

#153a74

#74153a

#3a7415

Split-complementary

#153a74

#742015

#6a7415

Tetradic

#153a74

#4f1574

#744f15

#3a7415

Square

#153a74

#74156a

#744f15

#157420

Shades

Color #153a74 mixed toward black.

#123061

#0e274d

#0b1d3a

#071327

#040a13

Tints

Color #153a74 mixed toward white.

#1f54a9

#2d70d9

#6194e2

#96b7ec

#cadbf5

Tones

Color #153a74 mixed toward gray.

#1d3c6c

#253e64

#2d3f5c

#354154

#3d434d

Accessibility

Aa White text on this color

11.12:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292a69 · ΔE 7.8

Deuteranopia

#272467 · ΔE 9.4

Tritanopia

#18605e · ΔE 26.9

Achromatopsia

#3c3c3c · ΔE 20.9

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

Code

CSS

background-color: #153a74;

Tailwind (arbitrary value)

bg-[#153a74]

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

#153a74 (#153a74) is rgb(21, 58, 116) in RGB.

No, #153a74 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 #153a74, or check how it holds up for accessibility.

Generate a palette → Check contrast