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Ruminative Karakoram

#646986
Notes

Ruminative Karakoram (#646986) 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°, 15%, 46%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#646986
RGB
rgb(100, 105, 134)
HSL
hsl(231, 15%, 46%)
HWB
hwb(231 39% 47%)
OKLCH
oklch(52.8% 0.046 277.1)
P3
color(display-p3 0.3957 0.4111 0.5163)
HSV
hsv(231, 25%, 53%)
LAB
lab(44.99% 4.95 -16.63)
LCH
lch(44.99% 17.36 286.58)
CMYK
cmyk(25%, 22%, 0%, 47%)

Etymology

Ruminative
adjective

Latin rūminātīvus, chewing-cud-like — adjectival suffix -ive. As a color modifier, ruminative implies a hushed-and-thoughtful-and-meditative quality where the hue carries the visual register of slow-and-careful-thoughtful interior-design-element. Sits at the hushed-and-still end of the grid, parallel to meditative and contemplative in usage.

Karakoram
noun

Central Asian mountain range straddling Pakistan, China, and India — home of K2 and the Hunza Valley's lapis-lazuli mines that supplied the Renaissance with ultramarine pigment. Karakoram color refers to an unworked Sar-e-Sang lapis-lazuli boulder freshly extracted from the Karakoram foothills: a saturated, slightly cool deep blue-violet with the matte finish of pyrite-flecked lazurite ore on rough fracture surface.

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.

#646986
Original
#616c87
Protanopia
#5f6985
Deuteranopia
#5c6e73
Tritanopia
#6a6a6a
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
5.38:1
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
3.91:1

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
##646986
Display P3
Display P3
color(display-p3 0.3957 0.4111 0.5163)
Inside sRGBOKLCH chroma 0.046

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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