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Senatorial Chicory

#4a81f5
Notes

Senatorial Chicory (#4A81F5) is a true azure with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (221°, 90%, 63%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#4a81f5
RGB
rgb(74, 129, 245)
HSL
hsl(221, 90%, 63%)
HWB
hwb(221 29% 4%)
OKLCH
oklch(62.6% 0.184 263.1)
HSV
hsv(221, 70%, 96%)
LAB
lab(55.83% 19.67 -63.51)
LCH
lch(55.83% 66.49 287.21)
CMYK
cmyk(70%, 47%, 0%, 4%)

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.

Chicory
noun

Cichorium intybus, the European herb whose deep-blue daisy flowers open at dawn and close by midday — and whose roots are roasted as a coffee substitute (café avec chicorée). Chicory color refers to a fresh chicory flower at sunrise: a saturated, slightly cool deep blue with the matte finish of multi-rayed composite flower.

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.

#4a81f5
Original
#428ef9
Protanopia
#127ef3
Deuteranopia
#009caf
Tritanopia
#7e7e7e
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
3.65:1
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
5.75:1

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