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Commanding Azul

#177beb
Notes

Commanding Azul (#177BEB) 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 (212°, 84%, 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
#177beb
RGB
rgb(23, 123, 235)
HSL
hsl(212, 84%, 51%)
HWB
hwb(212 9% 8%)
OKLCH
oklch(59.2% 0.190 255.8)
P3
color(display-p3 0.2272 0.4752 0.8916)
HSV
hsv(212, 90%, 92%)
LAB
lab(52.22% 14.90 -63.84)
LCH
lch(52.22% 65.55 283.14)
CMYK
cmyk(90%, 48%, 0%, 8%)

Etymology

Commanding
adjective

Latin commendāre, to entrust / order — present-participle of command. As a color modifier, commanding implies a saturated-and-authoritative quality where the hue claims visual leadership of its surrounding palette. Sits at the bold-and-authoritative end of the grid, parallel to authoritative and imperial in usage.

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.

#177beb
Original
#3886ef
Protanopia
#0074e9
Deuteranopia
#0096a8
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
4.14:1
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
5.07:1

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
##177BEB
Display P3
Display P3
color(display-p3 0.2272 0.4752 0.8916)
P3 has visible headroomOKLCH chroma 0.190

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

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