#101828 Color

#101828 is rgb(16, 24, 40) in RGB, hsl(220, 43%, 11%) in HSL, and about cmyk(60%, 40%, 0%, 84%) in CMYK. It has no registered color name of its own — the closest is Deep Navy (#0B1F3A), clearly related but distinguishable side by side at ΔE 8.59. White text is the more readable choice on this background.

#101828

HEX#101828

RGBrgb(16, 24, 40)

HSLhsl(220, 43%, 11%)

HSVhsv(220, 60%, 16%)

CMYKcmyk(60%, 40%, 0%, 84%)

OKLCHoklch(21% 0.034 263.4)

LABlab(8.12% 0.58 -12.27)

LCHlch(8.12% 12.29 272.73)

What #101828 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #101828, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Deep Navy#0B1F3AΔE 8.59 Rich Black#010B13ΔE 9.45 Raisin Black#242124ΔE 11.99 Off Black#1A1A1AΔE 12.34 Eerie Black#1B1B1BΔE 12.4 Soft Black#131313ΔE 12.49

Browse the full index of named colors A-Z or every blue in the library.

#101828 Channel Values

How #101828 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 16 · G 24 · B 40	8-bit channels as sent to the display
HSL	H 220° · S 43% · L 11%	Easiest model for building lighter and darker variants
HSV	H 220° · S 60% · V 16%	Matches the picker in most design tools
CMYK	C 60% · M 40% · Y 0% · K 84%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	17.75:1 vs white · 1.18:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #101828 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text17.75:1AA normal AA large AAA normal

Fails AABlack text1.18:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #101828 in the contrast checker.

Colors That Go With #101828

Pairings derived from color-wheel relationships. The complementary color sits opposite #101828; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #101828

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #101828.

How #101828 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#101828

Protanopia#171728

Protanomaly#141728

Deuteranopia#161628

Deuteranomaly#141728

Tritanopia#0C1B1B

Tritanomaly#0E1A21

Achromatopsia#181818

Test a full palette in the color blindness simulator.

Using #101828 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-101828: #101828;

CSS backgroundbackground-color: #101828;

Tailwind configcolors: { 'color-101828': '#101828' }

SwiftUIColor(red: 0.063, green: 0.094, blue: 0.157)

Android XML<color name="color_101828">#101828</color>

SVG fillfill="#101828"

More Blue Colors

#101828 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

1034a6 101047 113c8d 100e20 1164b4 0f52ba 121254 0f172b 12279e 0f0fff 130e2f 0f073c 1d44b9 2b506e 374f6b 4f5b66 657586 7ba4ef 9999eb bbcce2 dad6ff f5faff 000f89 0073e6

#101828 Frequently Asked Questions

What color is #101828?

#101828 is a darkest blue — rgb(16, 24, 40) in RGB and hsl(220, 43%, 11%) in HSL. It carries no registered color name of its own; the closest named color is Deep Navy (#0B1F3A), which is clearly related but distinguishable side by side at a CIE76 distance of 8.59.

What is the RGB value of #101828?

#101828 is rgb(16, 24, 40) — red 16, green 24, and blue 40 on the 0-255 scale.

What is the CMYK value of #101828?

#101828 converts to approximately cmyk(60%, 40%, 0%, 84%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #101828 be black or white?

White text is the more readable choice. #101828 scores 17.75:1 against white and 1.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #101828 as a CSS color keyword?

No. #101828 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is black (#000000) at a CIE76 distance of 14.73, which is visibly different.

Open #101828 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.