Recognised as Colour
#219CAB
- #219CAB
- Cyan
- Dark
- Nearest: Dark cyan
#219CAB is a cyan with RGB values 33, 156, 171 and HSL 187°, 68%, 40%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#219CAB#219CAB
HEX#219CAB
RGBrgb(33, 156, 171)
RGB (0–1)0.1294, 0.6118, 0.6706
RGB percentages12.9%, 61.2%, 67.1%
HSLhsl(186.5, 67.6%, 40%)
HSV / HSBhsv(186.5, 80.7%, 67.1%)
CMYK80.7%, 8.8%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,202,795
CSS custom property--colour: #219CAB;
Brightness & contrast
Relative luminance0.27041WCAG 2.x, 0 is black and 1 is white
Perceived brightness134 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.41:1
Contrast with white3.28:1WCAG normal text: Fail
Contrast with black6.41:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#DE6354
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.28:1WCAG large text: AA
Contrast with black, large text6.41:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AB3021
Analogous#21AB75, #2157AB
Triadic#AB219C, #9CAB21
Split complementary#AB2157, #AB7521
Tetradic#7521AB, #AB3021, #57AB21
Tints, shades & saturation
Channel breakdown
R33
G156
B171
Red33 (12.9%)
Green156 (61.2%)
Blue171 (67.1%)
Hue186.52°
Saturation (HSL)67.65%
Lightness40%
Dominant channelBlue
Hex per channelR 21 · G 9C · B AB
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page