#0f3551

Color #0f3551

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 14.92 Nearest Tailwind class sky-950 #052f4a · ΔE 1.9

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

Conversions

HEX

#0f3551

RGB

rgb(15, 53, 81)

HSL

hsl(205.5, 68.7%, 18.8%)

HSV / HSB

hsv(205.5, 81.5%, 31.8%)

CMYK

cmyk(81.5%, 34.6%, 0%, 68.2%)

LAB

lab(20.99, -2.21, -20.87)

LCH

lch(20.99, 20.99, 263.96)

OKLCH

oklch(31.8%, 0.0655, 244.61)

HWB

hwb(205.5, 5.9%, 68.2%)

Harmony colors

Complementary

#512b0f

Analogous

#0f514c

#0f3551

#0f1451

Triadic

#0f3551

#510f35

#35510f

Split-complementary

#0f3551

#510f14

#514c0f

Tetradic

#0f3551

#2b0f51

#512b0f

#35510f

Square

#0f3551

#4c0f51

#512b0f

#14510f

Shades

Color #0f3551 mixed toward black.

#0d2c43

#0a2336

#081a28

#05121b

#03090d

Tints

Color #0f3551 mixed toward white.

#1a5b8b

#2581c5

#50a2df

#8bc1e9

#c5e0f4

Tones

Color #0f3551 mixed toward gray.

#14344b

#1a3346

#1f3240

#25323b

#2a3135

Accessibility

Aa White text on this color

12.74:1

Aa Black text on this color

1.65:1

White text reads better on this background (12.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#25254b · ΔE 12.4

Deuteranopia

#221f4a · ΔE 13.3

Tritanopia

#134645 · ΔE 17.3

Achromatopsia

#323232 · ΔE 14.3

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

Code

CSS

background-color: #0f3551;

Tailwind (arbitrary value)

bg-[#0f3551]

Related colors

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#0f3551 (#0f3551) is rgb(15, 53, 81) in RGB.

No, #0f3551 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 #0f3551, or check how it holds up for accessibility.

Generate a palette → Check contrast