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Opulent Akāsh

#3657b6
Notes

Opulent Akāsh (#3657B6) is a true blue 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 (225°, 54%, 46%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3657b6
RGB
rgb(54, 87, 182)
HSL
hsl(225, 54%, 46%)
HWB
hwb(225 21% 29%)
OKLCH
oklch(48.6% 0.155 266.3)
P3
color(display-p3 0.2408 0.3378 0.6897)
HSV
hsv(225, 70%, 71%)
LAB
lab(39.54% 20.64 -53.94)
LCH
lch(39.54% 57.75 290.93)
CMYK
cmyk(70%, 52%, 0%, 29%)

Etymology

Opulent
adjective

Latin opulentus, rich / wealthy — derived from ops (wealth). As a color modifier, opulent implies a saturated-and-luxurious quality, the deep-rich color of Belle-Époque and Gilded-Age interior-decoration silk-and-velvet textiles. Sits at the bold-and-saturated end of the grid, parallel to lavish and sumptuous.

Akāsh
noun

The Sanskrit and Hindi word for sky or space — used in classical Indian philosophy as one of the five elements (pancha mahābhūta). Akāsh-bhūta names the elemental sky-blue in Vedic cosmology. The color refers to a North Indian summer sky at midday: a saturated, slightly cool deep blue with the optical brightness of subtropical atmospheric scatter.

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.

#3657b6
Original
#1a63b9
Protanopia
#0058b4
Deuteranopia
#006e7e
Tritanopia
#575757
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
6.57:1
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
3.20:1

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
##3657B6
Display P3
Display P3
color(display-p3 0.2408 0.3378 0.6897)
P3 has subtle headroomOKLCH chroma 0.155

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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