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Coolazure

Dusky Sapphire Thread

#2d76b0
Notes

Dusky Sapphire Thread (#2D76B0) 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 (207°, 59%, 43%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2d76b0
RGB
rgb(45, 118, 176)
HSL
hsl(207, 59%, 43%)
HWB
hwb(207 18% 31%)
OKLCH
oklch(54.8% 0.115 246.2)
HSV
hsv(207, 74%, 69%)
LAB
lab(47.81% -2.51 -37.24)
LCH
lch(47.81% 37.33 266.15)
CMYK
cmyk(74%, 33%, 0%, 31%)

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.

#2d76b0
Original
#5b78b2
Protanopia
#496caf
Deuteranopia
#00848b
Tritanopia
#6b6b6b
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
4.85:1
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
4.33:1

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Canvas