Recognised as Colour
#2491AA
- #2491AA
- Cyan
- Dark
- Nearest: Cadetblue
#2491AA is a cyan with RGB values 36, 145, 170 and HSL 191°, 65%, 40%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#2491AA#2491AA
HEX#2491AA
RGBrgb(36, 145, 170)
RGB (0–1)0.1412, 0.5686, 0.6667
RGB percentages14.1%, 56.9%, 66.7%
HSLhsl(191.2, 65%, 40.4%)
HSV / HSBhsv(191.2, 78.8%, 66.7%)
CMYK78.8%, 14.7%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,396,586
CSS custom property--colour: #2491AA;
Brightness & contrast
Relative luminance0.23528WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.71:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.71:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#DB6E55
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.71:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AA3D24
Analogous#24AA80, #244EAA
Triadic#AA2491, #91AA24
Split complementary#AA244E, #AA8024
Tetradic#8024AA, #AA3D24, #4EAA24
Tints, shades & saturation
Channel breakdown
R36
G145
B170
Red36 (14.1%)
Green145 (56.9%)
Blue170 (66.7%)
Hue191.19°
Saturation (HSL)65.05%
Lightness40.39%
Dominant channelBlue
Hex per channelR 24 · G 91 · B AA
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