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Ruminative Cove

#537380
Notes

Ruminative Cove (#537380) 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 (197°, 21%, 41%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#537380
RGB
rgb(83, 115, 128)
HSL
hsl(197, 21%, 41%)
HWB
hwb(197 33% 50%)
OKLCH
oklch(53.6% 0.042 225.0)
P3
color(display-p3 0.3518 0.4475 0.4961)
HSV
hsv(197, 35%, 50%)
LAB
lab(46.52% -8.02 -10.83)
LCH
lch(46.52% 13.48 233.49)
CMYK
cmyk(35%, 10%, 0%, 50%)

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.

Cove
noun

A small coastal indentation sheltered from open ocean — particularly the small coves along the Atlantic coast of Britain, Ireland, and the American Northeast. Cove color refers to a sheltered Cornish cove at high tide: a soft, slightly cool deep blue-green with the optical clarity of sheltered Atlantic 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.

#537380
Original
#6c7181
Protanopia
#656c80
Deuteranopia
#437777
Tritanopia
#6d6d6d
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
5.08:1
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
4.13:1

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
##537380
Display P3
Display P3
color(display-p3 0.3518 0.4475 0.4961)
Inside sRGBOKLCH chroma 0.042

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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