#12151d

Color #12151d

A muted very dark blue.

Closest named color Black #000000 · ΔE 9.14 Nearest Tailwind class gray-950 #030712 · ΔE 3

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Conversions

HEX

#12151d

RGB

rgb(18, 21, 29)

HSL

hsl(223.6, 23.4%, 9.2%)

HSV / HSB

hsv(223.6, 37.9%, 11.4%)

CMYK

cmyk(37.9%, 27.6%, 0%, 88.6%)

LAB

lab(6.81, 0.94, -6.02)

LCH

lch(6.81, 6.09, 278.87)

OKLCH

oklch(19.6%, 0.0168, 268.64)

HWB

hwb(223.6, 7.1%, 88.6%)

Harmony colors

Complementary

#1d1a12

Analogous

#121a1d

#12151d

#14121d

Triadic

#12151d

#1d1215

#151d12

Split-complementary

#12151d

#1d1412

#1a1d12

Tetradic

#12151d

#1a121d

#1d1a12

#151d12

Square

#12151d

#1d121a

#1d1a12

#121d14

Shades

Color #12151d mixed toward black.

#0f1118

#0c0e13

#090a0e

#06070a

#030305

Tints

Color #12151d mixed toward white.

#30374d

#4d5a7c

#707fa6

#a0aac4

#cfd4e1

Tones

Color #12151d mixed toward gray.

#13151c

#14161b

#15161a

#161719

#171718

Accessibility

Aa White text on this color

18.25:1

Aa Black text on this color

1.15:1

White text reads better on this background (18.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#13131b · ΔE 1.7

Deuteranopia

#13131b · ΔE 1.7

Tritanopia

#121a19 · ΔE 8.1

Achromatopsia

#151515 · ΔE 5.4

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

Code

CSS

background-color: #12151d;

Tailwind (arbitrary value)

bg-[#12151d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#12151d (#12151d) is rgb(18, 21, 29) in RGB.

No, #12151d 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 #12151d, or check how it holds up for accessibility.

Generate a palette → Check contrast