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Coolazuredeep

Cool Navy Quartz

#0f1d3a
Notes

Cool Navy Quartz (#0F1D3A) is a deep 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 (220°, 59%, 14%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0f1d3a
RGB
rgb(15, 29, 58)
HSL
hsl(220, 59%, 14%)
HWB
hwb(220 6% 77%)
OKLCH
oklch(23.6% 0.059 263.2)
HSV
hsv(220, 74%, 23%)
LAB
lab(11.17% 5.43 -20.60)
LCH
lch(11.17% 21.30 284.76)
CMYK
cmyk(74%, 50%, 0%, 77%)

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.

#0f1d3a
Original
#10203b
Protanopia
#091c39
Deuteranopia
#002428
Tritanopia
#1c1c1c
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
16.70:1
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
1.26:1

Related Colors

Canvas