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Native Negro

#180125
Notes

Native Negro (#180125) is a deep indigo 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 (278°, 95%, 7%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#180125
RGB
rgb(24, 1, 37)
HSL
hsl(278, 95%, 7%)
HWB
hwb(278 0% 85%)
OKLCH
oklch(16.2% 0.077 311.1)
P3
color(display-p3 0.0829 0.0077 0.1383)
HSV
hsv(278, 97%, 15%)
LAB
lab(3.16% 15.94 -17.72)
LCH
lch(3.16% 23.84 311.97)
CMYK
cmyk(35%, 97%, 0%, 85%)

Etymology

Native
adjective

Latin nātīvus, born / natural — adjectival suffix -ive. As a color modifier, native implies a neutral-and-original-and-indigenous quality, the neutral color of Native-American and Aboriginal-Australian indigenous-and-original earth-and-mineral-pigment ceremonial-craft tradition. Sits at the neutral-and-traditional end of the grid, parallel to indigenous and aboriginal in usage.

Negro
noun

Spanish for black — derived from Latin niger, shining black (distinct from ater, dull black). Negro color refers to a Spanish-Habsburg capa of negro de humo (lamp-black) dye: a saturated, slightly cool deep black with the matte finish of multi-bath carbon-and-iron-mordant dye on woven Castilian wool. The Spanish color tradition distinguishes negro azabache (jet-black) from negro carbón (charcoal-black).

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.

#180125
Original
#000a26
Protanopia
#000c24
Deuteranopia
#160812
Tritanopia
#080808
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
19.63:1
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
1.07:1

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
##180125
Display P3
Display P3
color(display-p3 0.0829 0.0077 0.1383)
Inside sRGBOKLCH chroma 0.077

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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