#131521

Color #131521

A muted very dark blue.

Closest named color Black #000000 · ΔE 11.49 Nearest Tailwind class gray-900 #101828 · ΔE 2.9

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

Conversions

HEX

#131521

RGB

rgb(19, 21, 33)

HSL

hsl(231.4, 26.9%, 10.2%)

HSV / HSB

hsv(231.4, 42.4%, 12.9%)

CMYK

cmyk(42.4%, 36.4%, 0%, 87.1%)

LAB

lab(7.09, 2.68, -8.64)

LCH

lch(7.09, 9.05, 287.23)

OKLCH

oklch(20%, 0.0243, 276.63)

HWB

hwb(231.4, 7.5%, 87.1%)

Harmony colors

Complementary

#211f13

Analogous

#131c21

#131521

#181321

Triadic

#131521

#211315

#152113

Split-complementary

#131521

#211813

#1c2113

Tetradic

#131521

#1f1321

#211f13

#152113

Square

#131521

#21131c

#211f13

#132118

Shades

Color #131521 mixed toward black.

#10121c

#0d0e16

#0a0b11

#06070b

#030406

Tints

Color #131521 mixed toward white.

#2f3451

#4b5382

#6e77ab

#9ea4c7

#cfd2e3

Tones

Color #131521 mixed toward gray.

#141620

#15171f

#17181e

#18181c

#19191b

Accessibility

Aa White text on this color

18.15:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#14141f · ΔE 1.1

Deuteranopia

#14141e · ΔE 1.4

Tritanopia

#131c1c · ΔE 10.6

Achromatopsia

#161616 · ΔE 7.8

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

Code

CSS

background-color: #131521;

Tailwind (arbitrary value)

bg-[#131521]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#131521 (#131521) is rgb(19, 21, 33) in RGB.

No, #131521 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 #131521, or check how it holds up for accessibility.

Generate a palette → Check contrast