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Polite Neel

#64728f
Notes

Polite Neel (#64728F) is a true azure with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (220°, 18%, 48%) places it in the muted band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#64728f
RGB
rgb(100, 114, 143)
HSL
hsl(220, 18%, 48%)
HWB
hwb(220 39% 44%)
OKLCH
oklch(55.2% 0.048 264.7)
P3
color(display-p3 0.4026 0.4454 0.5511)
HSV
hsv(220, 30%, 56%)
LAB
lab(47.91% 1.90 -17.52)
LCH
lch(47.91% 17.62 276.19)
CMYK
cmyk(30%, 20%, 0%, 44%)

Etymology

Polite
adjective

Latin polītus, polished — sharing root with polish. As a color modifier, polite implies a hushed-and-courteous-and-restrained quality where the hue carries the visual register of Edwardian-period courteous-and-formal-and-restrained interior-decoration. Sits at the hushed-and-restrained end of the grid, parallel to demure and discreet in usage.

Neel
noun

The Hindi-Urdu word for indigo — borrowed from the Sanskrit nīla (dark blue) — and the source of the English aniline and many South Asian textile-dye terms. The color refers to a freshly neel-dyed Indian cotton: a saturated, slightly cool deep blue with the matte finish of plant-and-mordant dye. The South Asian cousin of indigo.

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.

#64728f
Original
#697490
Protanopia
#65708e
Deuteranopia
#58787c
Tritanopia
#717171
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).
AAon White
4.83:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.35:1

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
##64728F
Display P3
Display P3
color(display-p3 0.4026 0.4454 0.5511)
Inside sRGBOKLCH chroma 0.048

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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