Recognised as Colour
#1DFDFF
- #1DFDFF
- Cyan
- Light
- Nearest: Aqua
#1DFDFF is a cyan with RGB values 29, 253, 255 and HSL 181°, 100%, 56%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Aqua.
Colour values
#1DFDFF#1DFDFF
HEX#1DFDFF
RGBrgb(29, 253, 255)
RGB (0–1)0.1137, 0.9922, 1
RGB percentages11.4%, 99.2%, 100%
HSLhsl(180.5, 100%, 55.7%)
HSV / HSBhsv(180.5, 88.6%, 100%)
CMYK88.6%, 0.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,965,567
CSS custom property--colour: #1DFDFF;
Brightness & contrast
Relative luminance0.77732WCAG 2.x, 0 is black and 1 is white
Perceived brightness212.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.55:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.55:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#E20200
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.27:1WCAG large text: Fail
Contrast with black, large text16.55:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF1F1D
Analogous#1DFF90, #1D8CFF
Triadic#FF1DFD, #FDFF1D
Split complementary#FF1D8C, #FF901D
Tetradic#901DFF, #FF1F1D, #8CFF1D
Tints, shades & saturation
Channel breakdown
R29
G253
B255
Red29 (11.4%)
Green253 (99.2%)
Blue255 (100%)
Hue180.53°
Saturation (HSL)100%
Lightness55.69%
Dominant channelBlue
Hex per channelR 1D · G FD · B FF
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