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Serene Zànglán

#323f8c
Notes

Serene Zànglán (#323F8C) 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 (231°, 47%, 37%) 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
#323f8c
RGB
rgb(50, 63, 140)
HSL
hsl(231, 47%, 37%)
HWB
hwb(231 20% 45%)
OKLCH
oklch(40.2% 0.128 272.2)
P3
color(display-p3 0.2062 0.2456 0.5301)
HSV
hsv(231, 64%, 55%)
LAB
lab(29.73% 20.41 -44.56)
LCH
lch(29.73% 49.01 294.61)
CMYK
cmyk(64%, 55%, 0%, 45%)

Etymology

Serene
adjective

Latin serēnus, clear / unclouded. As a color modifier, serene implies a clear-and-untroubled quality where the hue carries the visual register of cloudless-bright-day atmospheric stability. Sits at the crisp-and-calm end of the grid, parallel to placid and untroubled in usage.

Zànglán
noun

Chinese zànglán (藏蓝) — Tibetan blue or storage blue, the saturated deep blue of Tibetan-Buddhist monastery wall paint and Tibetan textile dye. The color refers to a zànglán-painted Lhasa monastery interior: a saturated, slightly cool deep blue with the matte finish of mineral-pigment-on-plaster.

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.

#323f8c
Original
#0b4a8f
Protanopia
#00428a
Deuteranopia
#00515f
Tritanopia
#424242
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).
AAAon White
9.44:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.23:1

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
##323F8C
Display P3
Display P3
color(display-p3 0.2062 0.2456 0.5301)
P3 has subtle headroomOKLCH chroma 0.128

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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