Colour
#104A41
- #104A41
- Cyan
- Dark
- Nearest: Dark slate grey
#104A41 is a cyan with RGB values 16, 74, 65 and HSL 171°, 64%, 18%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#104A41#104A41
HEX#104A41
RGBrgb(16, 74, 65)
RGB (0–1)0.0627, 0.2902, 0.2549
RGB percentages6.3%, 29%, 25.5%
HSLhsl(170.7, 64.4%, 17.6%)
HSV / HSBhsv(170.7, 78.4%, 29%)
CMYK78.4%, 0%, 12.2%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,067,585
CSS custom property--colour: #104A41;
Brightness & contrast
Relative luminance0.05389WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.11:1
Contrast with white10.11:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#EFB5BE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.11:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4A1019
Analogous#104A24, #10364A
Triadic#41104A, #4A4110
Split complementary#4A1036, #4A2410
Tetradic#24104A, #4A1019, #364A10
Tints, shades & saturation
Channel breakdown
R16
G74
B65
Red16 (6.3%)
Green74 (29%)
Blue65 (25.5%)
Hue170.69°
Saturation (HSL)64.44%
Lightness17.65%
Dominant channelGreen
Hex per channelR 10 · G 4A · B 41
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