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Commanding Saxon

#2b57ab
Notes

Commanding Saxon (#2B57AB) is a true azure 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 (219°, 60%, 42%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2b57ab
RGB
rgb(43, 87, 171)
HSL
hsl(219, 60%, 42%)
HWB
hwb(219 17% 33%)
OKLCH
oklch(47.3% 0.143 261.8)
HSV
hsv(219, 75%, 67%)
LAB
lab(38.32% 14.95 -49.44)
LCH
lch(38.32% 51.66 286.83)
CMYK
cmyk(75%, 49%, 0%, 33%)

Etymology

Commanding
adjective

Latin commendāre, to entrust / order — present-participle of command. As a color modifier, commanding implies a saturated-and-authoritative quality where the hue claims visual leadership of its surrounding palette. Sits at the bold-and-authoritative end of the grid, parallel to authoritative and imperial in usage.

Saxon
noun

Saxon blue — a sulfuric-acid extraction of indigo developed in eighteenth-century Saxony that produced a brighter, slightly green-shifted blue than traditional indigo vat dyeing. The color refers to a Saxon-blue dyed wool: a saturated, slightly green-shifted deep blue with the matte finish of dyed natural fiber. Brighter than indigo, cooler than royal, with the textile-history weight of an industrial-process pigment that briefly competed with traditional indigo.

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.

#2b57ab
Original
#2760ae
Protanopia
#0055a9
Deuteranopia
#006b79
Tritanopia
#545454
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
6.88:1
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
3.05:1

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