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Dynamic Azul

#1ba3fd
Notes

Dynamic Azul (#1BA3FD) 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 (204°, 98%, 55%) 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
#1ba3fd
RGB
rgb(27, 163, 253)
HSL
hsl(204, 98%, 55%)
HWB
hwb(204 11% 1%)
OKLCH
oklch(69.2% 0.169 245.5)
P3
color(display-p3 0.3016 0.6298 0.9645)
HSV
hsv(204, 89%, 99%)
LAB
lab(64.58% -2.13 -54.00)
LCH
lch(64.58% 54.04 267.74)
CMYK
cmyk(89%, 36%, 0%, 1%)

Etymology

Dynamic
adjective

From the Greek dynamis, power — used as a color modifier since the late nineteenth century for hues that read as energetic and active. Dynamic red, dynamic orange: the implication is saturation combined with optical motion. Sits at the bright-bucket center alongside vibrant and lively.

Azul
noun

The Spanish word for blue — used for the saturated deep blue of Andalusian azulejo tile (the same word, al-zulayj, gives Spanish ceramics their name). Azul spans the entire blue-azure range in Iberian color vocabulary. The color refers to a glazed Andalusian azulejo tile: a saturated, slightly cool deep blue with the high gloss of fired ceramic.

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.

#1ba3fd
Original
#77a7ff
Protanopia
#5794fb
Deuteranopia
#00b9c4
Tritanopia
#8d8d8d
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
2.73:1
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
7.70:1

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
##1BA3FD
Display P3
Display P3
color(display-p3 0.3016 0.6298 0.9645)
P3 has subtle headroomOKLCH chroma 0.169

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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