#10152b

Color #10152b

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 18.2 Nearest Tailwind class slate-900 #0f172b · ΔE 2

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Conversions

HEX

#10152b

RGB

rgb(16, 21, 43)

HSL

hsl(228.9, 45.8%, 11.6%)

HSV / HSB

hsv(228.9, 62.8%, 16.9%)

CMYK

cmyk(62.8%, 51.2%, 0%, 83.1%)

LAB

lab(7.41, 5.55, -15.67)

LCH

lch(7.41, 16.62, 289.5)

OKLCH

oklch(20.4%, 0.0445, 272.19)

HWB

hwb(228.9, 6.3%, 83.1%)

Harmony colors

Complementary

#2b2610

Analogous

#10232b

#10152b

#19102b

Triadic

#10152b

#2b1015

#152b10

Split-complementary

#10152b

#2b1910

#232b10

Tetradic

#10152b

#26102b

#2b2610

#152b10

Square

#10152b

#2b1023

#2b2610

#102b19

Shades

Color #10152b mixed toward black.

#0d1224

#0b0e1d

#080b16

#05070e

#030407

Tints

Color #10152b mixed toward white.

#243062

#394b99

#5b6ec2

#919ed6

#c8cfeb

Tones

Color #10152b mixed toward gray.

#121629

#151827

#171924

#191b22

#1b1c20

Accessibility

Aa White text on this color

18.04:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121227 · ΔE 1.8

Deuteranopia

#121226 · ΔE 1.9

Tritanopia

#102322 · ΔE 18.1

Achromatopsia

#161616 · ΔE 12.7

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

Code

CSS

background-color: #10152b;

Tailwind (arbitrary value)

bg-[#10152b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#10152b (#10152b) is rgb(16, 21, 43) in RGB.

No, #10152b is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #10152b, or check how it holds up for accessibility.

Generate a palette → Check contrast