Recognised as Colour
#156D78
- #156D78
- Cyan
- Dark
- Nearest: Teal
#156D78 is a cyan with RGB values 21, 109, 120 and HSL 187°, 70%, 28%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#156D78#156D78
HEX#156D78
RGBrgb(21, 109, 120)
RGB (0–1)0.0824, 0.4275, 0.4706
RGB percentages8.2%, 42.7%, 47.1%
HSLhsl(186.7, 70.2%, 27.6%)
HSV / HSBhsv(186.7, 82.5%, 47.1%)
CMYK82.5%, 9.2%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,404,280
CSS custom property--colour: #156D78;
Brightness & contrast
Relative luminance0.12453WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.02:1
Contrast with white6.02:1WCAG normal text: AA
Contrast with black3.49:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#EA9287
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.02:1WCAG large text: AAA
Contrast with black, large text3.49:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#782015
Analogous#157851, #153C78
Triadic#78156D, #6D7815
Split complementary#78153C, #785115
Tetradic#511578, #782015, #3C7815
Tints, shades & saturation
Channel breakdown
R21
G109
B120
Red21 (8.2%)
Green109 (42.7%)
Blue120 (47.1%)
Hue186.67°
Saturation (HSL)70.21%
Lightness27.65%
Dominant channelBlue
Hex per channelR 15 · G 6D · B 78
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