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Resolute Java

#4645a6
Notes

Resolute Java (#4645A6) 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 (241°, 41%, 46%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4645a6
RGB
rgb(70, 69, 166)
HSL
hsl(241, 41%, 46%)
HWB
hwb(241 27% 35%)
OKLCH
oklch(44.8% 0.152 278.8)
HSV
hsv(241, 58%, 65%)
LAB
lab(34.62% 29.35 -52.37)
LCH
lch(34.62% 60.03 299.27)
CMYK
cmyk(58%, 58%, 0%, 35%)

Etymology

Resolute
adjective

From the Latin resolutus, unwavering — used as a color modifier in literary contexts for hues that read as committed and unmoving. Resolute blue, resolute green: the saturation is full, the hue holds its position without shifting under different light. Sits in the bold-bucket center alongside strong and true, with slightly more focus on stability than presence.

Java
noun

Indonesian island, the colonial-era Dutch source of Indigofera tinctoria cultivation supplementing the Indian supply, and the home of batik tulis indigo wax-resist dyeing. Java color refers to a Yogyakarta-made batik tulis sarong: a saturated, slightly cool deep blue-violet with the matte finish of multi-bath fermentation indigo on hand-waxed cotton. Slightly warmer than Bengali indigo from the Indian mainland.

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.

#4645a6
Original
#0055a9
Protanopia
#004ea4
Deuteranopia
#0d5c6e
Tritanopia
#4c4c4c
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
7.89:1
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
2.66:1

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