#15131b

Color #15131b

A muted very dark blue.

Closest named color Black #000000 · ΔE 8.66 Nearest Tailwind class mauve-900 #1d161e · ΔE 3.5

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Conversions

HEX

#15131b

RGB

rgb(21, 19, 27)

HSL

hsl(255, 17.4%, 9%)

HSV / HSB

hsv(255, 29.6%, 10.6%)

CMYK

cmyk(22.2%, 29.6%, 0%, 89.4%)

LAB

lab(6.36, 2.89, -5.12)

LCH

lch(6.36, 5.88, 299.44)

OKLCH

oklch(19.3%, 0.0162, 296.41)

HWB

hwb(255, 7.5%, 89.4%)

Harmony colors

Complementary

#191b13

Analogous

#13151b

#15131b

#19131b

Triadic

#15131b

#1b1513

#131b15

Split-complementary

#15131b

#1b1913

#151b13

Tetradic

#15131b

#1b1319

#191b13

#131b15

Square

#15131b

#1b1315

#191b13

#131b19

Shades

Color #15131b mixed toward black.

#111016

#0e0d12

#0a090d

#070609

#030304

Tints

Color #15131b mixed toward white.

#383348

#5c5376

#81779f

#aba4bf

#d5d2df

Tones

Color #15131b mixed toward gray.

#15141a

#16141a

#161519

#161618

#171618

Accessibility

Aa White text on this color

18.41:1

Aa Black text on this color

1.14:1

White text reads better on this background (18.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#141419 · ΔE 2.5

Deuteranopia

#141419 · ΔE 2.5

Tritanopia

#151817 · ΔE 7.8

Achromatopsia

#141414 · ΔE 5.8

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

Code

CSS

background-color: #15131b;

Tailwind (arbitrary value)

bg-[#15131b]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#15131b (#15131b) is rgb(21, 19, 27) in RGB.

No, #15131b 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.

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Build something with this color

Generate a full palette from #15131b, or check how it holds up for accessibility.

Generate a palette → Check contrast