#10151e

Color #10151e

A muted very dark blue.

Closest named color Black #000000 · ΔE 9.68 Nearest Tailwind class gray-950 #030712 · ΔE 3.2

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

Conversions

HEX

#10151e

RGB

rgb(16, 21, 30)

HSL

hsl(218.6, 30.4%, 9%)

HSV / HSB

hsv(218.6, 46.7%, 11.8%)

CMYK

cmyk(46.7%, 30%, 0%, 88.2%)

LAB

lab(6.69, 0.52, -6.98)

LCH

lch(6.69, 7, 274.26)

OKLCH

oklch(19.5%, 0.0199, 261.91)

HWB

hwb(218.6, 6.3%, 88.2%)

Harmony colors

Complementary

#1e1910

Analogous

#101c1e

#10151e

#12101e

Triadic

#10151e

#1e1015

#151e10

Split-complementary

#10151e

#1e1210

#1c1e10

Tetradic

#10151e

#19101e

#1e1910

#151e10

Square

#10151e

#1e101c

#1e1910

#101e12

Shades

Color #10151e mixed toward black.

#0d1119

#0b0e14

#080a0f

#05070a

#030305

Tints

Color #10151e mixed toward white.

#2b3850

#465c83

#6881ae

#9aabc9

#cdd5e4

Tones

Color #10151e mixed toward gray.

#11151d

#12161c

#13161a

#151619

#161718

Accessibility

Aa White text on this color

18.29:1

Aa Black text on this color

1.15:1

White text reads better on this background (18.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#12121c · ΔE 2.9

Deuteranopia

#12121c · ΔE 2.9

Tritanopia

#101a1a · ΔE 8

Achromatopsia

#151515 · ΔE 6.1

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

Code

CSS

background-color: #10151e;

Tailwind (arbitrary value)

bg-[#10151e]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#10151e (#10151e) is rgb(16, 21, 30) in RGB.

No, #10151e 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #10151e, or check how it holds up for accessibility.

Generate a palette → Check contrast