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Senatorial Wink Sapphire

#1e58bc
Notes

Senatorial Wink Sapphire (#1E58BC) 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 (218°, 72%, 43%) 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
#1e58bc
RGB
rgb(30, 88, 188)
HSL
hsl(218, 72%, 43%)
HWB
hwb(218 12% 26%)
OKLCH
oklch(48.4% 0.169 260.6)
HSV
hsv(218, 84%, 74%)
LAB
lab(39.39% 19.54 -57.75)
LCH
lch(39.39% 60.96 288.69)
CMYK
cmyk(84%, 53%, 0%, 26%)

Etymology

Senatorial
adjective

Latin senātōrius, of the senator — adjectival suffix. As a color modifier, senatorial implies a saturated-and-aristocratic-and-Roman-Republic quality, the deep-rich color of Roman-Senate toga praetexta purple-bordered ceremonial-citizen-class livery. Sits at the bold-and-aristocratic end of the grid, parallel to patrician and imperial.

Wink
modifier

Old English wincian, to-close-eye-briefly. As a color modifier, wink implies a brief-and-coy-and-twinkling quality, the visual register of star-and-candle-flame-wink hand-brief-and-coy-and-twinkling star-and-candle-flame-and-distant-window winked-and-brief-and-coy-and-twinkling surfaces under star-and-candle-flame-and-distant-window twinkling-and-coy-and-brief night-window-light. Sits at the modifier-and-mood end of the grid, parallel to blink and glint in usage.

Sapphire
noun

An iron-and-titanium-bearing corundum — the same mineral as ruby, hardness 9 on the Mohs scale, mined for two millennia from Sri Lanka, Burma, Madagascar, and the Cashmere mines of British India. The color refers to a fine Kashmir-cut sapphire: a saturated, slightly violet-shifted deep blue with the gem's signature internal velvet — a quality of light scattering in the stone that faceted glass cannot replicate. Cooler than cobalt, deeper than azure.

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.

#1e58bc
Original
#0664c0
Protanopia
#0056ba
Deuteranopia
#007181
Tritanopia
#535353
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
6.61:1
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
3.18:1

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