Recognised as Colour
#33BBD5
- #33BBD5
- Cyan
- Dark
- Nearest: Sky blue
#33BBD5 is a cyan with RGB values 51, 187, 213 and HSL 190°, 66%, 52%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Sky blue.
Colour values
#33BBD5#33BBD5
HEX#33BBD5
RGBrgb(51, 187, 213)
RGB (0–1)0.2, 0.7333, 0.8353
RGB percentages20%, 73.3%, 83.5%
HSLhsl(189.6, 65.9%, 51.8%)
HSV / HSBhsv(189.6, 76.1%, 83.5%)
CMYK76.1%, 12.2%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,390,421
CSS custom property--colour: #33BBD5;
Brightness & contrast
Relative luminance0.41049WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.21:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.21:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#CC442A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.21:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#D54D33
Analogous#33D59E, #336AD5
Triadic#D533BB, #BBD533
Split complementary#D5336A, #D59E33
Tetradic#9E33D5, #D54D33, #6AD533
Tints, shades & saturation
Channel breakdown
R51
G187
B213
Red51 (20%)
Green187 (73.3%)
Blue213 (83.5%)
Hue189.63°
Saturation (HSL)65.85%
Lightness51.76%
Dominant channelBlue
Hex per channelR 33 · G BB · B D5
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Harmonies
Similar named colours
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