Recognised as Colour
#1B5052
- #1B5052
- Cyan
- Dark
- Nearest: Dark slate grey
#1B5052 is a cyan with RGB values 27, 80, 82 and HSL 182°, 50%, 21%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#1B5052#1B5052
HEX#1B5052
RGBrgb(27, 80, 82)
RGB (0–1)0.1059, 0.3137, 0.3216
RGB percentages10.6%, 31.4%, 32.2%
HSLhsl(182.2, 50.5%, 21.4%)
HSV / HSBhsv(182.2, 67.1%, 32.2%)
CMYK67.1%, 2.4%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,790,034
CSS custom property--colour: #1B5052;
Brightness & contrast
Relative luminance0.0658WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.07:1
Contrast with white9.07:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#E4AFAD
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.07:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#521D1B
Analogous#1B5239, #1B3452
Triadic#521B50, #50521B
Split complementary#521B34, #52391B
Tetradic#391B52, #521D1B, #35521B
Tints, shades & saturation
Channel breakdown
R27
G80
B82
Red27 (10.6%)
Green80 (31.4%)
Blue82 (32.2%)
Hue182.18°
Saturation (HSL)50.46%
Lightness21.37%
Dominant channelBlue
Hex per channelR 1B · G 50 · B 52
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