Recognised as Colour
#123C41
- #123C41
- Cyan
- Dark
- Nearest: Dark slate grey
#123C41 is a cyan with RGB values 18, 60, 65 and HSL 186°, 57%, 16%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#123C41#123C41
HEX#123C41
RGBrgb(18, 60, 65)
RGB (0–1)0.0706, 0.2353, 0.2549
RGB percentages7.1%, 23.5%, 25.5%
HSLhsl(186.4, 56.6%, 16.3%)
HSV / HSBhsv(186.4, 72.3%, 25.5%)
CMYK72.3%, 7.7%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,195,073
CSS custom property--colour: #123C41;
Brightness & contrast
Relative luminance0.03742WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.01:1
Contrast with white12.01:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#EDC3BE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.01:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#411712
Analogous#12412E, #122541
Triadic#41123C, #3C4112
Split complementary#411225, #412E12
Tetradic#2E1241, #411712, #254112
Tints, shades & saturation
Channel breakdown
R18
G60
B65
Red18 (7.1%)
Green60 (23.5%)
Blue65 (25.5%)
Hue186.38°
Saturation (HSL)56.63%
Lightness16.27%
Dominant channelBlue
Hex per channelR 12 · G 3C · B 41
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page