colors
Back to gallery

Ruminative Creek

#405d56
Notes

Ruminative Creek (#405D56) is a deep teal 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 (166°, 18%, 31%) places it in the muted 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#405d56
RGB
rgb(64, 93, 86)
HSL
hsl(166, 18%, 31%)
HWB
hwb(166 25% 64%)
OKLCH
oklch(45.3% 0.036 177.9)
P3
color(display-p3 0.2753 0.3616 0.3381)
HSV
hsv(166, 31%, 36%)
LAB
lab(37.10% -12.44 0.57)
LCH
lch(37.10% 12.46 177.36)
CMYK
cmyk(31%, 0%, 8%, 64%)

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.

Creek
noun

A small flowing waterway — slightly larger than a brook in American usage, slightly smaller in British. Creek color refers to a typical American Appalachian creek in summer: a soft, slightly cool deep blue-green with the optical clarity of slow-flowing forest stream.

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.

#405d56
Original
#5b5a56
Protanopia
#555657
Deuteranopia
#385e5b
Tritanopia
#565656
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
7.20:1
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
2.92:1

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
##405D56
Display P3
Display P3
color(display-p3 0.2753 0.3616 0.3381)
Inside sRGBOKLCH chroma 0.036

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.

Related Colors

Canvas