Iron Gray (#555D61)

The hex code for Iron Gray is #555D61. It is rgb(85, 93, 97) in RGB, hsl(200, 7%, 36%) in HSL, and about cmyk(12%, 4%, 0%, 62%) in CMYK — a dark gray. White text is the more readable choice on this background.

#555D61

HEX#555D61

RGBrgb(85, 93, 97)

HSLhsl(200, 7%, 36%)

HSVhsv(200, 12%, 38%)

CMYKcmyk(12%, 4%, 0%, 62%)

OKLCHoklch(47.3% 0.012 229.1)

LABlab(38.89% -2.55 -3.43)

LCHlch(38.89% 4.28 233.33)

Colors Closest to Iron Gray

Iron Gray is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Davy's Gray#555555ΔE 5.08 Traffic Gray B#4E5451ΔE 5.76 Black Coral#54626FΔE 6.16 Granite Gray#676767ΔE 6.36 Dim Gray#696969ΔE 6.99 Cadet#536872ΔE 7.17

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

#555D61 Channel Values

How Iron Gray 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 85 · G 93 · B 97	8-bit channels as sent to the display
HSL	H 200° · S 7% · L 36%	Easiest model for building lighter and darker variants
HSV	H 200° · S 12% · V 38%	Matches the picker in most design tools
CMYK	C 12% · M 4% · Y 0% · K 62%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	6.72:1 vs white · 3.12:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Iron Gray 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 text6.72:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.12:1AA normal ✗AA large ✓AAA normal ✗

Need a specific ratio against another background? Open #555D61 in the contrast checker.

Colors That Go With Iron Gray

Pairings derived from color-wheel relationships. The complementary color sits opposite Iron Gray; 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 Iron Gray

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 #555D61.

How Iron Gray 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#555D61

Protanopia#5C5C61

Protanomaly#595C61

Deuteranopia#5A5A61

Deuteranomaly#585B61

Tritanopia#545E5E

Tritanomaly#555D5F

Achromatopsia#5C5C5C

Test a full palette in the color blindness simulator.

Using #555D61 in Code

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

CSS custom property--iron-gray: #555D61;

CSS backgroundbackground-color: #555D61;

Tailwind configcolors: { 'iron-gray': '#555D61' }

SwiftUIColor(red: 0.333, green: 0.365, blue: 0.380)

Android XML<color name="iron_gray">#555D61</color>

SVG fillfill="#555D61"

More Gray Colors

Iron Gray sits in the grayfamily. These are its neighbours across that family's full range, each with its own breakdown.

57534d 555d50 575757 555555 5c5c5c 534b4f 5e5e5e 52525c 616161 525252 636363 51484f 666666 737373 807473 899499 969696 a6a6a6 b2beb5 bfc1c2 d3d3d3 27272a 353839 414a4c

#555D61 Frequently Asked Questions

What is the hex code for Iron Gray?

The hex code for Iron Gray is #555D61. That is rgb(85, 93, 97) in RGB, hsl(200, 7%, 36%) in HSL, and approximately cmyk(12%, 4%, 0%, 62%) in CMYK.

What is the RGB value of #555D61?

#555D61 is rgb(85, 93, 97) — red 85, green 93, and blue 97 on the 0-255 scale.

What is the CMYK value of #555D61?

#555D61 converts to approximately cmyk(12%, 4%, 0%, 62%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #555D61 be black or white?

White text is the more readable choice. #555D61 scores 6.72:1 against white and 3.12:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #555D61 as a CSS color keyword?

No. #555D61 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 dimgray (#696969) at a CIE76 distance of 6.99, which is clearly related but distinguishable side by side.

Open Iron Gray 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 gray in the color library, the guide to shades of gray, or the full color library.