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Mournful Stockholm

#639090
Notes

Mournful Stockholm (#639090) is a true cyan 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 (180°, 19%, 48%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#639090
RGB
rgb(99, 144, 144)
HSL
hsl(180, 19%, 48%)
HWB
hwb(180 39% 44%)
OKLCH
oklch(62.1% 0.049 196.0)
P3
color(display-p3 0.4264 0.5599 0.5623)
HSV
hsv(180, 31%, 56%)
LAB
lab(56.70% -15.20 -4.91)
LCH
lch(56.70% 15.97 197.89)
CMYK
cmyk(31%, 0%, 0%, 44%)

Etymology

Mournful
adjective

Old English murnan, to grieve — adjectival suffix -ful. As a color modifier, mournful implies a hushed-and-grieving-and-sad quality where the hue carries the visual register of Victorian-mourning widow's-weeds-and-funeral-procession mourning-and-grieving textile-finish. Sits at the hushed-and-melancholy end of the grid, parallel to plaintive and doleful in usage.

Stockholm
noun

The Swedish capital — and the deep blue of the Stockholm archipelago (24,000 islands) lagoon water and Drottningholm Palace azure interiors. Stockholm color refers to mid-depth Baltic archipelago water at Sandhamn: a saturated, slightly cool deep blue with the optical depth of cold-temperate brackish water.

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.

#639090
Original
#8a8c90
Protanopia
#828590
Deuteranopia
#529390
Tritanopia
#868686
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).
AA Largeon White
3.55:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.92:1

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
##639090
Display P3
Display P3
color(display-p3 0.4264 0.5599 0.5623)
Inside sRGBOKLCH chroma 0.049

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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