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Gladiatorial Marine

#316edd
Notes

Gladiatorial Marine (#316EDD) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (219°, 72%, 53%) 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
#316edd
RGB
rgb(49, 110, 221)
HSL
hsl(219, 72%, 53%)
HWB
hwb(219 19% 13%)
OKLCH
oklch(56.1% 0.181 261.2)
HSV
hsv(219, 78%, 87%)
LAB
lab(48.29% 19.74 -62.29)
LCH
lch(48.29% 65.34 287.58)
CMYK
cmyk(78%, 50%, 0%, 13%)

Etymology

Gladiatorial
adjective

Latin gladiātōrius, of the gladiator — adjectival suffix, derived from gladius (short-sword). As a color modifier, gladiatorial implies a saturated-and-combative-and-bloody quality, the deep-rich color of Roman-Colosseum gladiator-arena bloody-tunic-and-shield combat-attire. Sits at the bold-and-formal end of the grid, parallel to spartan and valiant.

Marine
noun

From the Latin marinus, of the sea — borrowed via French as both noun and adjective. Marine blue refers to the deep working blue of merchant-ship paint and naval uniforms before navy took over the term in the twentieth century. The color is a saturated, slightly muted deep blue with the matte finish of a shipyard pigment. Cooler than cobalt, warmer than navy, with the maritime weight of a word shared by every Romance language.

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.

#316edd
Original
#277be1
Protanopia
#006bdb
Deuteranopia
#00899b
Tritanopia
#696969
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
4.77:1
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
4.41:1

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