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Indigenous Tempest

#28040d
Notes

Indigenous Tempest (#28040D) 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 (345°, 82%, 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
#28040d
RGB
rgb(40, 4, 13)
HSL
hsl(345, 82%, 9%)
HWB
hwb(345 2% 84%)
OKLCH
oklch(18.6% 0.062 9.2)
P3
color(display-p3 0.1413 0.0243 0.0520)
HSV
hsv(345, 90%, 16%)
LAB
lab(5.12% 18.19 2.57)
LCH
lch(5.12% 18.37 8.04)
CMYK
cmyk(0%, 90%, 67%, 84%)

Etymology

Indigenous
adjective

Latin indigena, native-born — adjectival suffix -ous. As a color modifier, indigenous implies a neutral-and-native-and-traditional quality, the neutral color of Indigenous-and-First-Nations hand-built-and-tradition-rooted ceremonial-craft pottery-and-textile-and-totem surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to native and aboriginal in usage.

Tempest
noun

Latin tempestas, time-of-storm — the deep-gray-black storm-front skies of European Atlantic-coast gale-force weather, the eponymous setting of Shakespeare's late-romance play. Tempest color refers to an Atlantic Sea-of-the-Outer-Hebrides horizon at the leading-edge of a Force-9 gale: a dark cool-gray with the optical complexity of cumulonimbus-and-Asperitas storm-cloud-front sky against a dark Hebridean sea.

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.

#28040d
Original
#0c0c0d
Protanopia
#16140c
Deuteranopia
#2d0007
Tritanopia
#0c0c0c
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
18.86:1
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
1.11:1

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
##28040D
Display P3
Display P3
color(display-p3 0.1413 0.0243 0.0520)
Inside sRGBOKLCH chroma 0.062

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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