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Grounded Antarctic

#2d61c3
Notes

Grounded Antarctic (#2D61C3) is a true azure with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (219°, 62%, 47%) places it in the balanced 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
#2d61c3
RGB
rgb(45, 97, 195)
HSL
hsl(219, 62%, 47%)
HWB
hwb(219 18% 24%)
OKLCH
oklch(51.3% 0.164 261.6)
HSV
hsv(219, 77%, 76%)
LAB
lab(42.83% 17.83 -56.22)
LCH
lch(42.83% 58.98 287.60)
CMYK
cmyk(77%, 50%, 0%, 24%)

Etymology

Grounded
adjective

Old English grund, bottom / foundation — past-participle of ground. As a color modifier, grounded implies a saturated-and-foundational quality where the hue anchors the surrounding palette through its weighty presence. Sits at the bold-and-balanced end of the grid, parallel to centered and anchored.

Antarctic
noun

The continent at Earth's southern pole — and the saturated deep blue of Antarctic polynyas (open-water gaps in the sea ice) and the deep blue beneath fresh-calved icebergs. Antarctic refers to a polynya in the Ross Sea: a saturated, slightly cool deep blue with the optical depth of cold polar seawater.

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

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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.

#2d61c3
Original
#246cc7
Protanopia
#005fc1
Deuteranopia
#007989
Tritanopia
#5d5d5d
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
5.82:1
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
3.61:1

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