Colour
#1C554E
- #1C554E
- Cyan
- Dark
- Nearest: Dark slate grey
#1C554E is a cyan with RGB values 28, 85, 78 and HSL 173°, 50%, 22%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#1C554E#1C554E
HEX#1C554E
RGBrgb(28, 85, 78)
RGB (0–1)0.1098, 0.3333, 0.3059
RGB percentages11%, 33.3%, 30.6%
HSLhsl(172.6, 50.4%, 22.2%)
HSV / HSBhsv(172.6, 67.1%, 33.3%)
CMYK67.1%, 0%, 8.2%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,856,846
CSS custom property--colour: #1C554E;
Brightness & contrast
Relative luminance0.07294WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.54:1
Contrast with white8.54:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#E3AAB1
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.54:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#551C23
Analogous#1C5532, #1C3F55
Triadic#4E1C55, #554E1C
Split complementary#551C3F, #55321C
Tetradic#321C55, #551C23, #3F551C
Tints, shades & saturation
Channel breakdown
R28
G85
B78
Red28 (11%)
Green85 (33.3%)
Blue78 (30.6%)
Hue172.63°
Saturation (HSL)50.44%
Lightness22.16%
Dominant channelGreen
Hex per channelR 1C · G 55 · B 4E
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