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Sinewy Loropetalum

#453ebc
Notes

Sinewy Loropetalum (#453EBC) 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 (243°, 50%, 49%) 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
#453ebc
RGB
rgb(69, 62, 188)
HSL
hsl(243, 50%, 49%)
HWB
hwb(243 24% 26%)
OKLCH
oklch(45.4% 0.190 278.1)
P3
color(display-p3 0.2660 0.2441 0.7100)
HSV
hsv(243, 67%, 74%)
LAB
lab(34.68% 40.81 -65.34)
LCH
lch(34.68% 77.03 301.99)
CMYK
cmyk(63%, 67%, 0%, 26%)

Etymology

Sinewy
adjective

Old English sinu, sinew — adjectival suffix -y. As a color modifier, sinewy implies a saturated-and-muscular-and-firm quality where the hue carries the lean-and-strong visual presence of a Roman-statue athletic figure. Sits at the bold-and-firm end of the grid, parallel to stalwart and rugged in usage.

Loropetalum
noun

Asian Chinese fringe flower (Loropetalum chinense var. rubrum) — an evergreen shrub native to southern China cultivated worldwide for its strap-like fringed flowers and burgundy foliage. Loropetalum color refers to a L. chinense flush of fringed flowers on burgundy foliage: a saturated, slightly cool deep blue-violet with the velvet finish of dense ribbon-petal flowers. The genus name combines Greek loros (strap) and petalon (petal).

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.

#453ebc
Original
#0057c0
Protanopia
#004cba
Deuteranopia
#005f78
Tritanopia
#494949
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
7.87:1
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
2.67:1

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
##453EBC
Display P3
Display P3
color(display-p3 0.2660 0.2441 0.7100)
P3 has visible headroomOKLCH chroma 0.190

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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