#153f6f

Color #153f6f

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 24.43 Nearest Tailwind class sky-900 #024a70 · ΔE 6.2

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

Conversions

HEX

#153f6f

RGB

rgb(21, 63, 111)

HSL

hsl(212, 68.2%, 25.9%)

HSV / HSB

hsv(212, 81.1%, 43.5%)

CMYK

cmyk(81.1%, 43.2%, 0%, 56.5%)

LAB

lab(26.34, 4.3, -31.91)

LCH

lch(26.34, 32.2, 277.67)

OKLCH

oklch(36.6%, 0.0948, 254.2)

HWB

hwb(212, 8.2%, 56.5%)

Harmony colors

Complementary

#6f4515

Analogous

#156c6f

#153f6f

#18156f

Triadic

#153f6f

#6f153f

#3f6f15

Split-complementary

#153f6f

#6f1815

#6c6f15

Tetradic

#153f6f

#45156f

#6f4515

#3f6f15

Square

#153f6f

#6f156c

#6f4515

#156f18

Shades

Color #153f6f mixed toward black.

#12355d

#0e2a4a

#0b2038

#071525

#040b13

Tints

Color #153f6f mixed toward white.

#1f5da4

#2b7bd7

#609ce1

#95bdeb

#cadef5

Tones

Color #153f6f mixed toward gray.

#1d4068

#244060

#2c4159

#334151

#3b424a

Accessibility

Aa White text on this color

10.65:1

Aa Black text on this color

1.97:1

White text reads better on this background (10.65:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d66 · ΔE 9.7

Deuteranopia

#2a2764 · ΔE 11.1

Tritanopia

#195e5c · ΔE 24.1

Achromatopsia

#3e3e3e · ΔE 18.8

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

Code

CSS

background-color: #153f6f;

Tailwind (arbitrary value)

bg-[#153f6f]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#153f6f (#153f6f) is rgb(21, 63, 111) in RGB.

No, #153f6f 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.

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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 #153f6f, or check how it holds up for accessibility.

Generate a palette → Check contrast