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Smouldered Tibet

#15348c
Notes

Smouldered Tibet (#15348C) is a deep 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 (224°, 74%, 32%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#15348c
RGB
rgb(21, 52, 140)
HSL
hsl(224, 74%, 32%)
HWB
hwb(224 8% 45%)
OKLCH
oklch(36.5% 0.151 264.8)
HSV
hsv(224, 85%, 55%)
LAB
lab(25.28% 24.07 -51.85)
LCH
lch(25.28% 57.16 294.90)
CMYK
cmyk(85%, 63%, 0%, 45%)

Etymology

Smouldered
adjective

From Old English smolderian, to burn slowly — past-participle of smoulder. As a color modifier, smouldered implies the deep glowing-dark quality of fire-warmed embers, where the underlying hue retains warmth even at low lightness. Sits at the deep-and-warm end of the grid, somewhere between charred and burnt.

Tibet
noun

The high-altitude plateau of central Asia — and the saturated deep blue of Tibetan prayer-flag (lung-ta) blue panels and the deep blue of Tibetan summer sky at 4,000-meter altitude. Tibet refers to a fresh Tibetan prayer-flag blue panel: a saturated, slightly cool deep blue with the matte finish of cotton-dyed prayer flag.

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

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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.

#15348c
Original
#00428f
Protanopia
#00378a
Deuteranopia
#004b5b
Tritanopia
#343434
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
11.04:1
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
1.90:1

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