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Earnest Marinaro

#587cd7
Notes

Earnest Marinaro (#587CD7) 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 (223°, 61%, 59%) 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
#587cd7
RGB
rgb(88, 124, 215)
HSL
hsl(223, 61%, 59%)
HWB
hwb(223 35% 16%)
OKLCH
oklch(60.3% 0.145 266.0)
HSV
hsv(223, 59%, 84%)
LAB
lab(53.38% 14.75 -50.64)
LCH
lch(53.38% 52.74 286.24)
CMYK
cmyk(59%, 42%, 0%, 16%)

Etymology

Earnest
adjective

Old English eornost, seriousness, zeal. Used as a color modifier since the nineteenth century for hues that read as committed but unshowy — the working blues of denim, the deep greens of Quaker meetinghouses. Sits in the bold-and-quiet corner of the grid, slightly less luminous than resolute and slightly less institutional than imperial.

Marinaro
noun

The Italian word for sailor or of the sea — used for the deep blue of marinaro Italian sailor stripes (maglia marinara) and the saturated blue of Italian sailing-club ceremonies. The color refers to an Italian marinaro striped jersey: a saturated, slightly cool deep blue with the matte finish of dyed cotton-and-wool.

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.

#587cd7
Original
#5486db
Protanopia
#427ad5
Deuteranopia
#00909f
Tritanopia
#7b7b7b
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).
AA Largeon White
3.98:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.28:1

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