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Magisterial Heraldry

#2f3b9a
Notes

Magisterial Heraldry (#2F3B9A) is a true blue with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (233°, 53%, 39%) 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
#2f3b9a
RGB
rgb(47, 59, 154)
HSL
hsl(233, 53%, 39%)
HWB
hwb(233 18% 40%)
OKLCH
oklch(40.4% 0.154 272.0)
P3
color(display-p3 0.1936 0.2300 0.5819)
HSV
hsv(233, 69%, 60%)
LAB
lab(29.57% 27.74 -53.40)
LCH
lch(29.57% 60.17 297.45)
CMYK
cmyk(69%, 62%, 0%, 40%)

Etymology

Magisterial
adjective

Latin magisterium, teacher's office — adjectival suffix -al. As a color modifier, magisterial implies a saturated-and-authoritative-and-formal quality, the deep-rich color of Qing-dynasty civil-magistrate court-and-ritual textiles and Imperial-Examination scholar-class livery. Sits at the bold-and-authoritative end of the grid, parallel to authoritative and commanding.

Heraldry
noun

Old French heraudie, herald-craft — the medieval European armorial-bearings system, where the heraldic tincture purpure (one of the rare stains) is rendered as a deep blue-violet on shields-and-banners since the 13th century. Heraldry color refers to a 14th-century French armorial-roll purpure tincture: a saturated, slightly cool deep blue-violet with the matte finish of vermilion-and-azurite-mixed armorial pigment.

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.

#2f3b9a
Original
#004b9d
Protanopia
#004198
Deuteranopia
#005364
Tritanopia
#3f3f3f
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
9.49:1
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
2.21:1

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
##2F3B9A
Display P3
Display P3
color(display-p3 0.1936 0.2300 0.5819)
P3 has subtle headroomOKLCH chroma 0.154

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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