Colour
#009BB1
- #009BB1
- Cyan
- Dark
- Nearest: Dark cyan
#009BB1 is a cyan with RGB values 0, 155, 177 and HSL 187°, 100%, 35%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#009BB1#009BB1
HEX#009BB1
RGBrgb(0, 155, 177)
RGB (0–1)0, 0.6078, 0.6941
RGB percentages0%, 60.8%, 69.4%
HSLhsl(187.5, 100%, 34.7%)
HSV / HSBhsv(187.5, 100%, 69.4%)
CMYK100%, 12.4%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer39,857
CSS custom property--colour: #009BB1;
Brightness & contrast
Relative luminance0.26617WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.32:1
Contrast with white3.32:1WCAG normal text: Fail
Contrast with black6.32:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#FF644E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.32:1WCAG large text: AA
Contrast with black, large text6.32:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B11600
Analogous#00B16E, #0043B1
Triadic#B1009B, #9BB100
Split complementary#B10043, #B16E00
Tetradic#6E00B1, #B11600, #43B100
Tints, shades & saturation
Channel breakdown
R0
G155
B177
Red0 (0%)
Green155 (60.8%)
Blue177 (69.4%)
Hue187.46°
Saturation (HSL)100%
Lightness34.71%
Dominant channelBlue
Hex per channelR 00 · G 9B · B B1
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