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Fortified Tangerine

#ba2f09
Notes

Fortified Tangerine (#BA2F09) is a true 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 (13°, 91%, 38%) places it in the highly saturated band at a mid 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ba2f09
RGB
rgb(186, 47, 9)
HSL
hsl(13, 91%, 38%)
HWB
hwb(13 4% 27%)
OKLCH
oklch(52.1% 0.181 34.2)
HSV
hsv(13, 95%, 73%)
LAB
lab(41.99% 53.82 51.54)
LCH
lch(41.99% 74.52 43.76)
CMYK
cmyk(0%, 75%, 95%, 27%)

Etymology

Fortified
adjective

Latin fortificāre, to make strong — past-participle of fortify. As a color modifier, fortified implies a saturated-and-strengthened-and-defensive quality, the deep-rich color of Vauban-style military-fortification stone-and-earth rampart-and-bastion architecture. Sits at the bold-and-fortified end of the grid, parallel to bastioned and armored.

Tangerine
noun

Named for the city of Tangier in Morocco, the port through which this small mandarin variety reached Europe in the early nineteenth century. The color refers to the skin of a fully ripe tangerine: a saturated, slightly red-shifted orange that's warmer than apricot and brighter than rust. The pigment is the same beta-carotene that colors carrots and pumpkins, just at higher concentration on the rind.

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

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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.

#ba2f09
Original
#5b4f00
Protanopia
#7d6e00
Deuteranopia
#cd002a
Tritanopia
#4a4a4a
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
6.00:1
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
3.50:1

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