Skip to content

#10223C Color

#10223C is rgb(16, 34, 60) in RGB, hsl(215, 58%, 15%) in HSL, and about cmyk(73%, 43%, 0%, 76%) in CMYK. It has no registered color name of its own — the closest is Deep Navy (#0B1F3A), below the threshold most people can see at ΔE 1.75. White text is the more readable choice on this background.

#10223C
HEX#10223C
RGBrgb(16, 34, 60)
HSLhsl(215, 58%, 15%)
HSVhsv(215, 73%, 24%)
CMYKcmyk(73%, 43%, 0%, 76%)
OKLCHoklch(25.2% 0.055 257.7)
LABlab(12.83% 0.21 -19.29)
LCHlch(12.83% 19.29 270.62)

What #10223C 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 #10223C, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#10223C Channel Values

How #10223C breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 16 · G 34 · B 608-bit channels as sent to the display
HSLH 215° · S 58% · L 15%Easiest model for building lighter and darker variants
HSVH 215° · S 73% · V 24%Matches the picker in most design tools
CMYKC 73% · M 43% · Y 0% · K 76%Approximate ink mix; confirm with an ICC profile before printing
Luminance15.96:1 vs white · 1.32:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #10223C 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 text15.96:1AA normal AA large AAA normal
Fails AABlack text1.32:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #10223C in the contrast checker.

Colors That Go With #10223C

Pairings derived from color-wheel relationships. The complementary color sits opposite #10223C; 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 #10223C

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 #10223C.

How #10223C 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#10223C
Protanopia#20203C
Protanomaly#1A213C
Deuteranopia#1D1D3C
Deuteranomaly#191F3C
Tritanopia#052626
Tritanomaly#0A2530
Achromatopsia#222222

Test a full palette in the color blindness simulator.

Using #10223C in Code

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

CSS custom property--color-10223c: #10223C;
CSS backgroundbackground-color: #10223C;
Tailwind configcolors: { 'color-10223c': '#10223C' }
SwiftUIColor(red: 0.063, green: 0.133, blue: 0.235)
Android XML<color name="color_10223c">#10223C</color>
SVG fillfill="#10223C"

More Blue Colors

#10223C sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#10223C Frequently Asked Questions

What color is #10223C?

#10223C is a darkest blue — rgb(16, 34, 60) in RGB and hsl(215, 58%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Deep Navy (#0B1F3A), which is below the threshold most people can see at a CIE76 distance of 1.75.

What is the RGB value of #10223C?

#10223C is rgb(16, 34, 60) — red 16, green 34, and blue 60 on the 0-255 scale.

What is the CMYK value of #10223C?

#10223C converts to approximately cmyk(73%, 43%, 0%, 76%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #10223C be black or white?

White text is the more readable choice. #10223C scores 15.96:1 against white and 1.32:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #10223C as a CSS color keyword?

No. #10223C 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 23.17, which is visibly different.

Open #10223C in a Tool

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