Colour
#004B4B
- #004B4B
- Cyan
- Dark
- Nearest: Dark slate grey
#004B4B is a cyan with RGB values 0, 75, 75 and HSL 180°, 100%, 15%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#004B4B#004B4B
HEX#004B4B
RGBrgb(0, 75, 75)
RGB (0–1)0, 0.2941, 0.2941
RGB percentages0%, 29.4%, 29.4%
HSLhsl(180, 100%, 14.7%)
HSV / HSBhsv(180, 100%, 29.4%)
CMYK100%, 0%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,275
CSS custom property--colour: #004B4B;
Brightness & contrast
Relative luminance0.0554WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.96:1
Contrast with white9.96:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FFB4B4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.96:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4B0000
Analogous#004B26, #00264B
Triadic#4B004B, #4B4B00
Split complementary#4B0026, #4B2600
Tetradic#26004B, #4B0000, #264B00
Tints, shades & saturation
Channel breakdown
R0
G75
B75
Red0 (0%)
Green75 (29.4%)
Blue75 (29.4%)
Hue180°
Saturation (HSL)100%
Lightness14.71%
Dominant channelGreen and Blue
Hex per channelR 00 · G 4B · B 4B
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