Colour
#1991AC
- #1991AC
- Cyan
- Dark
- Nearest: Cadetblue
#1991AC is a cyan with RGB values 25, 145, 172 and HSL 191°, 75%, 39%. 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
#1991AC#1991AC
HEX#1991AC
RGBrgb(25, 145, 172)
RGB (0–1)0.098, 0.5686, 0.6745
RGB percentages9.8%, 56.9%, 67.5%
HSLhsl(191, 74.6%, 38.6%)
HSV / HSBhsv(191, 85.5%, 67.5%)
CMYK85.5%, 15.7%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,675,692
CSS custom property--colour: #1991AC;
Brightness & contrast
Relative luminance0.23436WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.69:1
Contrast with white3.69:1WCAG normal text: Fail
Contrast with black5.69:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#E66E53
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.69:1WCAG large text: AA
Contrast with black, large text5.69:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AC3419
Analogous#19AC7E, #1948AC
Triadic#AC1991, #91AC19
Split complementary#AC1948, #AC7E19
Tetradic#7E19AC, #AC3419, #48AC19
Tints, shades & saturation
Channel breakdown
R25
G145
B172
Red25 (9.8%)
Green145 (56.9%)
Blue172 (67.5%)
Hue191.02°
Saturation (HSL)74.62%
Lightness38.63%
Dominant channelBlue
Hex per channelR 19 · G 91 · B AC
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