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Stimulating Damask

#159cf1
Notes

Stimulating Damask (#159CF1) 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 (203°, 89%, 51%) 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
#159cf1
RGB
rgb(21, 156, 241)
HSL
hsl(203, 89%, 51%)
HWB
hwb(203 8% 5%)
OKLCH
oklch(66.9% 0.163 244.9)
HSV
hsv(203, 91%, 95%)
LAB
lab(61.90% -2.80 -51.68)
LCH
lch(61.90% 51.76 266.90)
CMYK
cmyk(91%, 35%, 0%, 5%)

Etymology

Stimulating
adjective

Latin stimulāns, spurring on — present-participle of stimulate, derived from stimulus (a goad). As a color modifier, stimulating implies a saturated-and-arousing-and-attentive quality where the hue increases visual-and-cognitive engagement. Sits at the bright-and-active end of the grid, parallel to invigorating and bracing in usage.

Damask
noun

A reversible patterned fabric originally woven in Damascus — used in Renaissance European bed-hangings, Ottoman ceremonial robes, and traditional Italian Lucchese silk. Damask blue refers to a deep-blue silk damask: a saturated, slightly cool deep blue with the satin finish of patterned woven silk.

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.

#159cf1
Original
#73a0f5
Protanopia
#548def
Deuteranopia
#00b1bb
Tritanopia
#858585
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).
Failon White
2.98:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
7.06:1

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