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Reflective Bluebird

#517186
Notes

Reflective Bluebird (#517186) 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 (204°, 25%, 42%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#517186
RGB
rgb(81, 113, 134)
HSL
hsl(204, 25%, 42%)
HWB
hwb(204 32% 47%)
OKLCH
oklch(53.2% 0.050 237.7)
P3
color(display-p3 0.3441 0.4397 0.5173)
HSV
hsv(204, 40%, 53%)
LAB
lab(46.02% -5.79 -15.19)
LCH
lch(46.02% 16.25 249.14)
CMYK
cmyk(40%, 16%, 0%, 47%)

Etymology

Reflective
adjective

Latin reflectere, to bend back — adjectival suffix -ive. As a color modifier, reflective implies a hushed-and-thoughtful-and-mirroring quality where the hue carries the visual register of Quaker-and-Friends-meeting-house still-and-meditative interior-architecture. Sits at the hushed-and-still end of the grid, parallel to meditative and contemplative in usage.

Bluebird
noun

The genus Sialia — North American bluebirds — particularly S. sialis (Eastern bluebird), whose males display saturated cobalt-blue plumage with rust-red breasts. The color refers to a male Eastern bluebird in breeding plumage: a saturated, slightly cool deep blue with the matte finish of structurally colored feathers.

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.

#517186
Original
#687087
Protanopia
#606a86
Deuteranopia
#3e7678
Tritanopia
#6c6c6c
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
5.18:1
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
4.06:1

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
##517186
Display P3
Display P3
color(display-p3 0.3441 0.4397 0.5173)
Inside sRGBOKLCH chroma 0.050

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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