Palettes / Colors / #283F1D

#283F1D — Deep Muted Green

#283F1D is a green color we call Deep Muted Green, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the green family.

Color name

Closest CSS keyword: darkslategray (#2F4F4F) — not an exact match. CSS darkslategray gives you #2F4F4F, a different color; use #283F1D when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#283F1D is a warm-leaning green color associated with growth, calm and balance. It is deep enough for text, outlines and dark interface surfaces, and makes light colors glow next to it.

Its strongest partner is its complement #341D3F; it also sits naturally between #393F1D and #1D3F23. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 16% · Green 25% · Blue 11%

Cyan 37% · Magenta 0% · Yellow 54% · Key 75%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #283F1D

.text { color: #283F1D; }
.background { background-color: #283F1D; }
.border { border: 3px solid #283F1D; }
.text-rgb { color: rgb(40, 63, 29); }
.text-hsl { color: hsl(101, 37%, 18%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #283F1D; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(40, 63, 29, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #283F1D; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(40, 63, 29, 0.8); }

HTML: <p style="color:#283F1D">Text here</p> · <div style="background-color:#283F1D">Div content here</div>

Shades of #283F1D

Tints of #283F1D

Tones of #283F1D

Color harmonies

Complementary — #341D3F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #283F1D: #FFFFFF.

Semi-transparent (opacity) text on #283F1D

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #283F1D looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #283F1D rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #283F1C  ·  #283F1E →

Frequently asked questions

What color is #283F1D?

#283F1D is Deep Muted Green, a green color (RGB 40, 63, 29). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #283F1D?

#283F1D is RGB 40, 63, 29 — HSL 101°, 37%, 18% — CMYK 37%, 0%, 54%, 75%.

What colors go with #283F1D?

Its complement is #341D3F; analogous partners are #393F1D and #1D3F23. It also appears in 6+ palettes in our collection.

Can I use #283F1D for text?

White text on #283F1D has a contrast ratio of 11.55:1 (passes WCAG AA); black text gives 1.82:1.