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Smouldered Mongolia

#3d3b11
Notes

Smouldered Mongolia (#3D3B11) is a deep yellow with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (57°, 56%, 15%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3d3b11
RGB
rgb(61, 59, 17)
HSL
hsl(57, 56%, 15%)
HWB
hwb(57 7% 76%)
OKLCH
oklch(34.5% 0.060 106.6)
P3
color(display-p3 0.2378 0.2316 0.0937)
HSV
hsv(57, 72%, 24%)
LAB
lab(24.20% -5.50 25.50)
LCH
lch(24.20% 26.08 102.17)
CMYK
cmyk(0%, 3%, 72%, 76%)

Etymology

Smouldered
adjective

From Old English smolderian, to burn slowly — past-participle of smoulder. As a color modifier, smouldered implies the deep glowing-dark quality of fire-warmed embers, where the underlying hue retains warmth even at low lightness. Sits at the deep-and-warm end of the grid, somewhere between charred and burnt.

Mongolia
noun

The Central Asian republic — and the warm yellow-tan of the Mongolian steppe in late summer, the Buddhist kashaya robes of Mongolian monks, and the saffron-yellow of Bogd Khan Mountain lamasery. Mongolia refers to a Buddhist monk's robe in Erdene Zuu Monastery: a saturated, slightly muted warm gold-yellow with the matte finish of plant-and-mordant dye.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#3d3b11
Original
#40390c
Protanopia
#413a14
Deuteranopia
#423732
Tritanopia
#383838
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
11.46:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
1.83:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##3D3B11
Display P3
Display P3
color(display-p3 0.2378 0.2316 0.0937)
Inside sRGBOKLCH chroma 0.060

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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