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Mighty Icicle Brick

#9f3d2b
Notes

Mighty Icicle Brick (#9F3D2B) is a true red 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 (9°, 57%, 40%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#9f3d2b
RGB
rgb(159, 61, 43)
HSL
hsl(9, 57%, 40%)
HWB
hwb(9 17% 38%)
OKLCH
oklch(49.3% 0.134 32.4)
P3
color(display-p3 0.5780 0.2639 0.1941)
HSV
hsv(9, 73%, 62%)
LAB
lab(39.39% 39.65 31.77)
LCH
lch(39.39% 50.81 38.70)
CMYK
cmyk(0%, 62%, 73%, 38%)

Etymology

Mighty
adjective

Old English mihtig, strong — adjectival suffix -y, sharing root with German mächtig. As a color modifier, mighty implies a saturated-and-strong-presence quality, where the hue commands visual attention through pure pigmentation strength. Sits at the bold-and-saturated end of the grid, parallel to forceful and commanding in tone.

Icicle
modifier

Old English īsgicel, ice-and-icicle. As a color modifier, icicle implies a hanging-ice-and-eaves-frozen-drip quality, the visual register of Alpine-eaves-and-Norwegian-stave-icicle hand-hanging-ice-and-eaves-frozen-drip Alpine-eaves-and-Norwegian-stave-icicle-and-Cairngorm-ledge icicle-and-hanging-ice-and-eaves-frozen-drip surfaces under Alpine-eaves-and-Norwegian-stave-icicle-and-Cairngorm-ledge Alpine-Dolomites-and-Norwegian-stave-church frozen-drip-light. Sits at the modifier-and-weather end of the grid, parallel to floe and berg in usage.

Brick
noun

Fired clay, mineral red. The color refers to common building brick — iron-rich earthenware kilned to the specific dusky red-orange of a Victorian terrace, a Roman aqueduct, an adobe wall in New Mexico. Less saturated than ruby, warmer than burgundy, with a chalky cast that reads as architectural rather than decorative.

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.

#9f3d2b
Original
#584f29
Protanopia
#706528
Deuteranopia
#af2639
Tritanopia
#515151
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).
AAon White
6.61:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.18:1

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
##9F3D2B
Display P3
Display P3
color(display-p3 0.5780 0.2639 0.1941)
P3 has subtle headroomOKLCH chroma 0.134

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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