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Fathomless Crete

#1a3d52
Notes

Fathomless Crete (#1A3D52) is a deep azure 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 (203°, 52%, 21%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1a3d52
RGB
rgb(26, 61, 82)
HSL
hsl(203, 52%, 21%)
HWB
hwb(203 10% 68%)
OKLCH
oklch(34.4% 0.055 237.6)
P3
color(display-p3 0.1371 0.2360 0.3140)
HSV
hsv(203, 68%, 32%)
LAB
lab(24.21% -5.15 -16.46)
LCH
lch(24.21% 17.25 252.63)
CMYK
cmyk(68%, 26%, 0%, 68%)

Etymology

Fathomless
adjective

Fathom (Old English fæthm, six-foot span used to measure water-depth) plus suffix -less. As a color modifier, fathomless implies a depth of saturation-and-darkness that resists the eye's attempt to gauge it. Sits at the deepest end of the deep-bucket grid, beyond ordinary measure of color-depth perception.

Crete
noun

The largest Greek island — and the saturated deep blue of Cretan beach water at Elafonissi and Balos Lagoon. Crete color refers to the lagoon at Balos: a saturated, slightly cool deep blue-green with the optical clarity of warm Aegean water filtered through pink-coral sand.

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.

#1a3d52
Original
#333d53
Protanopia
#2c3752
Deuteranopia
#004244
Tritanopia
#373737
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
11.46:1
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
1.83:1

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
##1A3D52
Display P3
Display P3
color(display-p3 0.1371 0.2360 0.3140)
Inside sRGBOKLCH chroma 0.055

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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