Recognised as Colour
#155E5D
- #155E5D
- Cyan
- Dark
- Nearest: Dark slate grey
#155E5D is a cyan with RGB values 21, 94, 93 and HSL 179°, 63%, 23%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#155E5D#155E5D
HEX#155E5D
RGBrgb(21, 94, 93)
RGB (0–1)0.0824, 0.3686, 0.3647
RGB percentages8.2%, 36.9%, 36.5%
HSLhsl(179.2, 63.5%, 22.5%)
HSV / HSBhsv(179.2, 77.7%, 36.9%)
CMYK77.7%, 0%, 1.1%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,400,413
CSS custom property--colour: #155E5D;
Brightness & contrast
Relative luminance0.08955WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.52:1
Contrast with white7.52:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#EAA1A2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.52:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5E1516
Analogous#155E39, #153A5E
Triadic#5D155E, #5E5D15
Split complementary#5E153A, #5E3915
Tetradic#39155E, #5E1516, #3A5E15
Tints, shades & saturation
Channel breakdown
R21
G94
B93
Red21 (8.2%)
Green94 (36.9%)
Blue93 (36.5%)
Hue179.18°
Saturation (HSL)63.48%
Lightness22.55%
Dominant channelGreen
Hex per channelR 15 · G 5E · B 5D
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