colors
Back to gallery

Melancholic Reef

#2d544b
Notes

Melancholic Reef (#2D544B) 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°, 30%, 25%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2d544b
RGB
rgb(45, 84, 75)
HSL
hsl(166, 30%, 25%)
HWB
hwb(166 18% 67%)
OKLCH
oklch(41.4% 0.047 177.3)
P3
color(display-p3 0.2131 0.3256 0.2953)
HSV
hsv(166, 46%, 33%)
LAB
lab(32.71% -16.32 0.95)
LCH
lch(32.71% 16.35 176.67)
CMYK
cmyk(46%, 0%, 11%, 67%)

Etymology

Melancholic
adjective

Greek melan-cholē, black-bile — adjectival suffix -ic. As a color modifier, melancholic implies a hushed-and-sad-and-pensive quality where the hue carries the visual register of Dürer-Melencolia-I engraving-tradition pensive-and-thoughtful-mood color treatment. Sits at the hushed-and-melancholy end of the grid, parallel to wistful and pensive in usage.

Reef
noun

The biological structure built by colonies of Anthozoa corals over millennia — Great Barrier Reef, Caribbean fringing reefs, Maldivian atolls. The color reef refers to the average coloration of a healthy mid-depth Caribbean reef: a soft, slightly muted blue-green with the optical complexity of light scattered through tropical water and refracted off thousands of small organisms. Cooler than seafoam, warmer than turquoise.

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.

#2d544b
Original
#51504b
Protanopia
#4b4b4c
Deuteranopia
#1f5551
Tritanopia
#4b4b4b
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
8.46:1
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
2.48:1

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
##2D544B
Display P3
Display P3
color(display-p3 0.2131 0.3256 0.2953)
Inside sRGBOKLCH chroma 0.047

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