#12253f

Color #12253f

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 18.52 Nearest Tailwind class slate-800 #1d293d · ΔE 2.9

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Conversions

HEX

#12253f

RGB

rgb(18, 37, 63)

HSL

hsl(214.7, 55.6%, 15.9%)

HSV / HSB

hsv(214.7, 71.4%, 24.7%)

CMYK

cmyk(71.4%, 41.3%, 0%, 75.3%)

LAB

lab(14.46, 2.18, -18.89)

LCH

lch(14.46, 19.02, 276.58)

OKLCH

oklch(26.3%, 0.0551, 256.67)

HWB

hwb(214.7, 7.1%, 75.3%)

Harmony colors

Complementary

#3f2c12

Analogous

#123c3f

#12253f

#16123f

Triadic

#12253f

#3f1225

#253f12

Split-complementary

#12253f

#3f1612

#3c3f12

Tetradic

#12253f

#2c123f

#3f2c12

#253f12

Square

#12253f

#3f123c

#3f2c12

#123f16

Shades

Color #12253f mixed toward black.

#0f1f35

#0c192a

#091320

#060c15

#03060b

Tints

Color #12253f mixed toward white.

#224677

#3266ae

#588acf

#90b1df

#c7d8ef

Tones

Color #12253f mixed toward gray.

#16263b

#1a2638

#1d2734

#212730

#25282c

Accessibility

Aa White text on this color

15.42:1

Aa Black text on this color

1.36:1

White text reads better on this background (15.42:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c3a · ΔE 7.6

Deuteranopia

#1b1939 · ΔE 8.7

Tritanopia

#133534 · ΔE 18.4

Achromatopsia

#252525 · ΔE 13.4

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

Code

CSS

background-color: #12253f;

Tailwind (arbitrary value)

bg-[#12253f]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#12253f (#12253f) is rgb(18, 37, 63) in RGB.

No, #12253f 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 #12253f, or check how it holds up for accessibility.

Generate a palette → Check contrast