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Genuine Buffed Peacock

#256b9f
Notes

Genuine Buffed Peacock (#256B9F) is a true azure with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (206°, 62%, 38%) places it in the balanced 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
#256b9f
RGB
rgb(37, 107, 159)
HSL
hsl(206, 62%, 38%)
HWB
hwb(206 15% 38%)
OKLCH
oklch(51.0% 0.107 244.9)
P3
color(display-p3 0.2247 0.4138 0.6069)
HSV
hsv(206, 77%, 62%)
LAB
lab(43.38% -3.19 -34.29)
LCH
lch(43.38% 34.43 264.69)
CMYK
cmyk(77%, 33%, 0%, 38%)

Etymology

Genuine
adjective

Latin genuinus, natural, innate — used as a color modifier since the sixteenth century for hues that read as authentic rather than imitated. Genuine indigo, genuine ochre: moderate-to-high saturation combined with the optical impression of a hue from real pigment rather than synthetic dye. Sits at the crisp-bucket alongside true and honest.

Buffed
modifier

Old French buffer, to-puff. As a color modifier, buffed implies a polished-and-shined quality, the visual register of Sheffield-and-Renaissance-buffed-and-polished hand-buffed-and-polished metal-and-leather-and-wood Sheffield-and-Renaissance-buffed-and-polished surfaces under Sheffield-and-Renaissance hand-buffed-and-polished workshop-light. Sits at the modifier-and-texture end of the grid, parallel to honed and gloss in usage.

Peacock
noun

Pavo cristatus, the Indian peafowl whose male displays the most elaborate sexual ornament in birds — a fan of two-meter eyespotted tail feathers in iridescent blue-green. The color is structural, not pigmented: created by interference patterns in the feather barbules. Peacock blue refers to the dominant body color: a saturated, slightly muted teal-blue with the optical depth of structural color. Cooler than persian, warmer than sapphire.

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.

#256b9f
Original
#536da1
Protanopia
#42619e
Deuteranopia
#00787e
Tritanopia
#606060
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
5.70:1
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
3.68:1

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
##256B9F
Display P3
Display P3
color(display-p3 0.2247 0.4138 0.6069)
P3 has subtle headroomOKLCH chroma 0.107

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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