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Saturated Aconitum

#177dd9
Notes

Saturated Aconitum (#177DD9) 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 (208°, 81%, 47%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#177dd9
RGB
rgb(23, 125, 217)
HSL
hsl(208, 81%, 47%)
HWB
hwb(208 9% 15%)
OKLCH
oklch(58.5% 0.165 251.9)
HSV
hsv(208, 89%, 85%)
LAB
lab(51.67% 6.71 -54.61)
LCH
lch(51.67% 55.02 277.01)
CMYK
cmyk(89%, 42%, 0%, 15%)

Etymology

Saturated
adjective

From the Latin saturatus, past participle of saturare, to fill. A technical color term in modern usage — saturation is one of the three axes of HSL (with hue and lightness). As a modifier, saturated implies that the hue is at or near its maximum chromatic intensity. Sits at the bold-and-bright top of the grid.

Aconitum
noun

The genus Aconitummonkshood, the highly toxic European perennial whose deep blue-purple hooded flowers contain aconitine alkaloid (poisonous enough to kill on skin contact). The color refers to a fresh A. napellus in late summer: a saturated, slightly cool deep blue-violet with the matte finish of helmet-shaped 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.

#177dd9
Original
#4d84dd
Protanopia
#2874d7
Deuteranopia
#0093a0
Tritanopia
#6e6e6e
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
4.22:1
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
4.97:1

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