Recognised as Colour
#1C4141
- #1C4141
- Cyan
- Dark
- Nearest: Dark slate grey
#1C4141 is a cyan with RGB values 28, 65, 65 and HSL 180°, 40%, 18%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#1C4141#1C4141
HEX#1C4141
RGBrgb(28, 65, 65)
RGB (0–1)0.1098, 0.2549, 0.2549
RGB percentages11%, 25.5%, 25.5%
HSLhsl(180, 39.8%, 18.2%)
HSV / HSBhsv(180, 56.9%, 25.5%)
CMYK56.9%, 0%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,851,713
CSS custom property--colour: #1C4141;
Brightness & contrast
Relative luminance0.04409WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.16:1
Contrast with white11.16:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#E3BEBE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.16:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#411C1C
Analogous#1C412F, #1C2F41
Triadic#411C41, #41411C
Split complementary#411C2F, #412F1C
Tetradic#2F1C41, #411C1C, #2F411C
Tints, shades & saturation
Channel breakdown
R28
G65
B65
Red28 (11%)
Green65 (25.5%)
Blue65 (25.5%)
Hue180°
Saturation (HSL)39.78%
Lightness18.24%
Dominant channelGreen and Blue
Hex per channelR 1C · G 41 · B 41
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