colors
Back to gallery

Authoritative Naivasha

#b43390
Notes

Authoritative Naivasha (#B43390) is a true magenta with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (317°, 56%, 45%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b43390
RGB
rgb(180, 51, 144)
HSL
hsl(317, 56%, 45%)
HWB
hwb(317 20% 29%)
OKLCH
oklch(54.6% 0.191 341.3)
HSV
hsv(317, 72%, 71%)
LAB
lab(44.36% 60.37 -22.79)
LCH
lch(44.36% 64.53 339.32)
CMYK
cmyk(0%, 72%, 20%, 29%)

Etymology

Authoritative
adjective

Latin auctōritāt-, authority — adjectival suffix -ive. As a color modifier, authoritative implies a saturated-and-formal-imperative quality where the hue carries decisional weight and institutional credibility. Sits at the bold-and-authoritative end of the grid, parallel to commanding and magisterial in usage.

Naivasha
noun

Kenyan Rift Valley freshwater lake — and the seasonal nesting site of Phoenicopterus ruber lesser-flamingo flocks whose massed pink-magenta plumage colors the lake-edge mudflats during the summer breeding season. Naivasha color refers to a Lake Naivasha mudflat with massed Phoenicopterus ruber in late-afternoon light: a saturated, slightly cool deep magenta with the optical complexity of carotenoid-pigmented feather mass against muddy water.

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.

#b43390
Original
#3d5c93
Protanopia
#66708d
Deuteranopia
#bf355d
Tritanopia
#555555
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
5.50:1
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
3.82:1

Related Colors

Canvas