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Ironclad Naranja

#8b270a
Notes

Ironclad Naranja (#8B270A) 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 (13°, 87%, 29%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#8b270a
RGB
rgb(139, 39, 10)
HSL
hsl(13, 87%, 29%)
HWB
hwb(13 4% 45%)
OKLCH
oklch(42.7% 0.140 35.4)
HSV
hsv(13, 93%, 55%)
LAB
lab(31.72% 41.08 39.99)
LCH
lch(31.72% 57.33 44.23)
CMYK
cmyk(0%, 72%, 93%, 45%)

Etymology

Ironclad
adjective

English compound iron + clad — referring to the 19th-century USS-Monitor and CSS-Virginia iron-armored warships. As a color modifier, ironclad implies a saturated-and-armored-and-impenetrable quality where the hue carries the visual weight of forged-iron armor-plate. Sits at the bold-and-fortified end of the grid, parallel to fortified and armored.

Naranja
noun

The Spanish word for orange — borrowed from the same Persian nāranj via Arabic into the Iberian peninsula. Naranja names both the fruit (sweet orange — Citrus sinensis, brought by the Portuguese) and the color. The color refers to a ripe Valencian naranja: a saturated, slightly red orange with the satin finish of waxed citrus rind. The Spanish cousin of narangi and burtuqāl.

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.

#8b270a
Original
#453c04
Protanopia
#5e5303
Deuteranopia
#9a0022
Tritanopia
#3a3a3a
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
8.78:1
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
2.39:1

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