#232523 Color

#232523 is rgb(35, 37, 35) in RGB, hsl(120, 3%, 14%) in HSL, and about cmyk(5%, 0%, 5%, 85%) in CMYK. It has no registered color name of its own — the closest is Charcoal Black (#232B2B), very hard to tell apart at ΔE 3.98. White text is the more readable choice on this background.

#232523

HEX#232523

RGBrgb(35, 37, 35)

HSLhsl(120, 3%, 14%)

HSVhsv(120, 5%, 15%)

CMYKcmyk(5%, 0%, 5%, 85%)

OKLCHoklch(26.2% 0.005 145.4)

LABlab(14.41% -1.32 1.00)

LCHlch(14.41% 1.65 142.70)

What #232523 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 #232523, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Charcoal Black#232B2BΔE 3.98 Dark Jungle Green#1A2421ΔE 4.13 Raisin Black#242124ΔE 4.34 Traffic Black#2A2D2FΔE 4.73 Eerie Black#1B1B1BΔE 4.93 Off Black#1A1A1AΔE 5.41

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

#232523 Channel Values

How #232523 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 35 · G 37 · B 35	8-bit channels as sent to the display
HSL	H 120° · S 3% · L 14%	Easiest model for building lighter and darker variants
HSV	H 120° · S 5% · V 15%	Matches the picker in most design tools
CMYK	C 5% · M 0% · Y 5% · K 85%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	15.44:1 vs white · 1.36:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #232523 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 text15.44:1AA normal AA large AAA normal

Fails AABlack text1.36:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #232523 in the contrast checker.

Colors That Go With #232523

Pairings derived from color-wheel relationships. The complementary color sits opposite #232523; 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 #232523

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 #232523.

How #232523 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#232523

Protanopia#252523

Protanomaly#242523

Deuteranopia#242423

Deuteranomaly#242523

Tritanopia#232525

Tritanomaly#232524

Achromatopsia#242424

Test a full palette in the color blindness simulator.

Using #232523 in Code

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

CSS custom property--color-232523: #232523;

CSS backgroundbackground-color: #232523;

Tailwind configcolors: { 'color-232523': '#232523' }

SwiftUIColor(red: 0.137, green: 0.145, blue: 0.137)

Android XML<color name="color_232523">#232523</color>

SVG fillfill="#232523"

More Black Colors

#232523 sits in the black family. These are its neighbours across that family's full range, each with its own breakdown.

030303 242424 050505 242124 080808 212121 0a0a0a 1c1c1c 0d0d0d 1b1b1b 0f0f0f 1a1a1a 131313 171717 18181b 000000

#232523 Frequently Asked Questions

What color is #232523?

#232523 is a darkest black — rgb(35, 37, 35) in RGB and hsl(120, 3%, 14%) in HSL. It carries no registered color name of its own; the closest named color is Charcoal Black (#232B2B), which is very hard to tell apart at a CIE76 distance of 3.98.

What is the RGB value of #232523?

#232523 is rgb(35, 37, 35) — red 35, green 37, and blue 35 on the 0-255 scale.

What is the CMYK value of #232523?

#232523 converts to approximately cmyk(5%, 0%, 5%, 85%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #232523 be black or white?

White text is the more readable choice. #232523 scores 15.44:1 against white and 1.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #232523 as a CSS color keyword?

No. #232523 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 14.51, which is visibly different.

Open #232523 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 black in the color library, the guide to shades of black, or the full color library.