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Thoughtful Macadam

#2c040a
Notes

Thoughtful Macadam (#2C040A) is a deep red with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (351°, 83%, 9%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2c040a
RGB
rgb(44, 4, 10)
HSL
hsl(351, 83%, 9%)
HWB
hwb(351 2% 83%)
OKLCH
oklch(19.4% 0.066 16.2)
P3
color(display-p3 0.1557 0.0260 0.0423)
HSV
hsv(351, 91%, 17%)
LAB
lab(5.82% 20.30 5.01)
LCH
lch(5.82% 20.91 13.86)
CMYK
cmyk(0%, 91%, 77%, 83%)

Etymology

Thoughtful
adjective

Old English thoht, thought — adjectival suffix -ful. As a color modifier, thoughtful implies a neutral-and-considered-and-careful quality where the hue carries the visual register of careful-and-considered-and-thoughtful coordinated color-decision matched to its surroundings. Sits at the neutral-and-friendly end of the grid, parallel to considerate and mannerly in usage.

Macadam
noun

Scottish John Loudon McAdam's 1820s road-paving system — the deep-cool-gray broken-stone compacted road-bed surface of late-Industrial-Revolution Scottish-and-English turnpikes. Macadam color refers to a Glasgow-area macadam-surfaced country-road in November-overcast light: a dark cool-gray with the matte finish of McAdam-system compacted broken-granite-and-bitumen road-bed.

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.

#2c040a
Original
#0e0d0a
Protanopia
#191609
Deuteranopia
#310006
Tritanopia
#0d0d0d
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
18.60:1
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
1.13:1

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
##2C040A
Display P3
Display P3
color(display-p3 0.1557 0.0260 0.0423)
Inside sRGBOKLCH chroma 0.066

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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