colors
Back to gallery
Coolcyanloud

Blazing Sky Aura

#63d5f3
Notes

Blazing Sky Aura (#63D5F3) is a true cyan 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 (192°, 86%, 67%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#63d5f3
RGB
rgb(99, 213, 243)
HSL
hsl(192, 86%, 67%)
HWB
hwb(192 39% 5%)
OKLCH
oklch(81.8% 0.111 217.7)
HSV
hsv(192, 59%, 95%)
LAB
lab(80.01% -23.84 -24.45)
LCH
lch(80.01% 34.15 225.73)
CMYK
cmyk(59%, 12%, 0%, 5%)

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.

#63d5f3
Original
#c1cff5
Protanopia
#acc0f3
Deuteranopia
#00e0de
Tritanopia
#bfbfbf
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).
Failon White
1.70:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
12.34:1

Related Colors

Canvas