#1f253e

Color #1f253e

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 18.01 Nearest Tailwind class slate-800 #1d293d · ΔE 4.4

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Conversions

HEX

#1f253e

RGB

rgb(31, 37, 62)

HSL

hsl(228.4, 33.3%, 18.2%)

HSV / HSB

hsv(228.4, 50%, 24.3%)

CMYK

cmyk(50%, 40.3%, 0%, 75.7%)

LAB

lab(15.29, 5.35, -16.83)

LCH

lch(15.29, 17.66, 287.63)

OKLCH

oklch(27.2%, 0.0474, 272.66)

HWB

hwb(228.4, 12.2%, 75.7%)

Harmony colors

Complementary

#3e381f

Analogous

#1f343e

#1f253e

#281f3e

Triadic

#1f253e

#3e1f25

#253e1f

Split-complementary

#1f253e

#3e281f

#343e1f

Tetradic

#1f253e

#381f3e

#3e381f

#253e1f

Square

#1f253e

#3e1f34

#3e381f

#1f3e28

Shades

Color #1f253e mixed toward black.

#1a1f34

#151929

#0f121f

#0a0c15

#05060a

Tints

Color #1f253e mixed toward white.

#36416c

#4d5c9b

#7481b9

#a2abd1

#d1d5e8

Tones

Color #1f253e mixed toward gray.

#22273b

#242839

#272a36

#292b34

#2c2d31

Accessibility

Aa White text on this color

15.08:1

Aa Black text on this color

1.39:1

White text reads better on this background (15.08:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#222239 · ΔE 2.6

Deuteranopia

#212138 · ΔE 2.7

Tritanopia

#1f3534 · ΔE 18.7

Achromatopsia

#262626 · ΔE 13.1

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

Code

CSS

background-color: #1f253e;

Tailwind (arbitrary value)

bg-[#1f253e]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1f253e (#1f253e) is rgb(31, 37, 62) in RGB.

No, #1f253e 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 #1f253e, or check how it holds up for accessibility.

Generate a palette → Check contrast