#374049 Color

#374049 is rgb(55, 64, 73) in RGB, hsl(210, 14%, 25%) in HSL, and about cmyk(25%, 12%, 0%, 71%) in CMYK. It has no registered color name of its own — the closest is Charcoal (#36454F), very hard to tell apart at ΔE 3.02. White text is the more readable choice on this background.

#374049

HEX#374049

RGBrgb(55, 64, 73)

HSLhsl(210, 14%, 25%)

HSVhsv(210, 25%, 29%)

CMYKcmyk(25%, 12%, 0%, 71%)

OKLCHoklch(36.7% 0.02 248.4)

LABlab(26.53% -2.07 -6.81)

LCHlch(26.53% 7.12 253.06)

What #374049 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 #374049, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Charcoal#36454FΔE 3.02 Graphite#41424CΔE 3.85 Outer Space (Crayola)#2D383AΔE 6.04 Outer Space#414A4CΔE 6.14 Gunmetal#2A3439ΔE 6.14 Onyx#353839ΔE 6.65

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

#374049 Channel Values

How #374049 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 55 · G 64 · B 73	8-bit channels as sent to the display
HSL	H 210° · S 14% · L 25%	Easiest model for building lighter and darker variants
HSV	H 210° · S 25% · V 29%	Matches the picker in most design tools
CMYK	C 25% · M 12% · Y 0% · K 71%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	10.54:1 vs white · 1.99:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #374049 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 text10.54:1AA normal AA large AAA normal

Fails AABlack text1.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #374049 in the contrast checker.

Colors That Go With #374049

Pairings derived from color-wheel relationships. The complementary color sits opposite #374049; 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 #374049

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 #374049.

How #374049 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#374049

Protanopia#3F3F49

Protanomaly#3C3F49

Deuteranopia#3D3D49

Deuteranomaly#3B3E49

Tritanopia#364141

Tritanomaly#364144

Achromatopsia#3F3F3F

Test a full palette in the color blindness simulator.

Using #374049 in Code

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

CSS custom property--color-374049: #374049;

CSS backgroundbackground-color: #374049;

Tailwind configcolors: { 'color-374049': '#374049' }

SwiftUIColor(red: 0.216, green: 0.251, blue: 0.286)

Android XML<color name="color_374049">#374049</color>

SVG fillfill="#374049"

More Blue Colors

#374049 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

374f6b 3737d7 3838ff 372aac 3b77e8 372a89 3c32cd 3719e1 3c69e7 365781 3d729e 36454f 4f39f6 6495ed 7b7be5 9999cc bbbbf2 d7e1ee f5f5ff 0000ff 0073cf 0e1520 1974d2 272e34

#374049 Frequently Asked Questions

What color is #374049?

#374049 is a dark blue — rgb(55, 64, 73) in RGB and hsl(210, 14%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Charcoal (#36454F), which is very hard to tell apart at a CIE76 distance of 3.02.

What is the RGB value of #374049?

#374049 is rgb(55, 64, 73) — red 55, green 64, and blue 73 on the 0-255 scale.

What is the CMYK value of #374049?

#374049 converts to approximately cmyk(25%, 12%, 0%, 71%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #374049 be black or white?

White text is the more readable choice. #374049 scores 10.54:1 against white and 1.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #374049 as a CSS color keyword?

No. #374049 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 darkslategray (#2F4F4F) at a CIE76 distance of 11.54, which is visibly different.

Open #374049 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.