Recognised as Colour
#438B8B
- #438B8B
- Cyan
- Dark
- Nearest: Cadetblue
#438B8B is a cyan with RGB values 67, 139, 139 and HSL 180°, 35%, 40%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#438B8B#438B8B
HEX#438B8B
RGBrgb(67, 139, 139)
RGB (0–1)0.2627, 0.5451, 0.5451
RGB percentages26.3%, 54.5%, 54.5%
HSLhsl(180, 35%, 40.4%)
HSV / HSBhsv(180, 51.8%, 54.5%)
CMYK51.8%, 0%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,426,635
CSS custom property--colour: #438B8B;
Brightness & contrast
Relative luminance0.21523WCAG 2.x, 0 is black and 1 is white
Perceived brightness122 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.3:1
Contrast with white3.96:1WCAG normal text: Fail
Contrast with black5.3:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#BC7474
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.96:1WCAG large text: AA
Contrast with black, large text5.3:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B4343
Analogous#438B67, #43678B
Triadic#8B438B, #8B8B43
Split complementary#8B4367, #8B6743
Tetradic#67438B, #8B4343, #678B43
Tints, shades & saturation
Channel breakdown
R67
G139
B139
Red67 (26.3%)
Green139 (54.5%)
Blue139 (54.5%)
Hue180°
Saturation (HSL)34.95%
Lightness40.39%
Dominant channelGreen and Blue
Hex per channelR 43 · G 8B · B 8B
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