Recognised as Colour
#18504F
- #18504F
- Cyan
- Dark
- Nearest: Dark slate grey
#18504F is a cyan with RGB values 24, 80, 79 and HSL 179°, 54%, 20%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#18504F#18504F
HEX#18504F
RGBrgb(24, 80, 79)
RGB (0–1)0.0941, 0.3137, 0.3098
RGB percentages9.4%, 31.4%, 31%
HSLhsl(178.9, 53.8%, 20.4%)
HSV / HSBhsv(178.9, 70%, 31.4%)
CMYK70%, 0%, 1.2%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,593,423
CSS custom property--colour: #18504F;
Brightness & contrast
Relative luminance0.06496WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.13:1
Contrast with white9.13:1WCAG normal text: AAA
Contrast with black2.3:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#E7AFB0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.13:1WCAG large text: AAA
Contrast with black, large text2.3:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#501819
Analogous#185033, #183550
Triadic#4F1850, #504F18
Split complementary#501835, #503318
Tetradic#331850, #501819, #355018
Tints, shades & saturation
Channel breakdown
R24
G80
B79
Red24 (9.4%)
Green80 (31.4%)
Blue79 (31%)
Hue178.93°
Saturation (HSL)53.85%
Lightness20.39%
Dominant channelGreen
Hex per channelR 18 · G 50 · B 4F
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