Recognised as Colour
#105A56
- #105A56
- Cyan
- Dark
- Nearest: Dark slate grey
#105A56 is a cyan with RGB values 16, 90, 86 and HSL 177°, 70%, 21%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#105A56#105A56
HEX#105A56
RGBrgb(16, 90, 86)
RGB (0–1)0.0627, 0.3529, 0.3373
RGB percentages6.3%, 35.3%, 33.7%
HSLhsl(176.8, 69.8%, 20.8%)
HSV / HSBhsv(176.8, 82.2%, 35.3%)
CMYK82.2%, 0%, 4.4%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,071,702
CSS custom property--colour: #105A56;
Brightness & contrast
Relative luminance0.08094WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.02:1
Contrast with white8.02:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#EFA5A9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.02:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5A1014
Analogous#105A31, #10395A
Triadic#56105A, #5A5610
Split complementary#5A1039, #5A3110
Tetradic#31105A, #5A1014, #395A10
Tints, shades & saturation
Channel breakdown
R16
G90
B86
Red16 (6.3%)
Green90 (35.3%)
Blue86 (33.7%)
Hue176.76°
Saturation (HSL)69.81%
Lightness20.78%
Dominant channelGreen
Hex per channelR 10 · G 5A · B 56
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