Colour
#00454B
- #00454B
- Cyan
- Dark
- Nearest: Dark slate grey
#00454B is a cyan with RGB values 0, 69, 75 and HSL 185°, 100%, 15%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#00454B#00454B
HEX#00454B
RGBrgb(0, 69, 75)
RGB (0–1)0, 0.2706, 0.2941
RGB percentages0%, 27.1%, 29.4%
HSLhsl(184.8, 100%, 14.7%)
HSV / HSBhsv(184.8, 100%, 29.4%)
CMYK100%, 8%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,739
CSS custom property--colour: #00454B;
Brightness & contrast
Relative luminance0.04764WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.75:1
Contrast with white10.75:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FFBAB4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.75:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4B0600
Analogous#004B2B, #00204B
Triadic#4B0045, #454B00
Split complementary#4B0020, #4B2C00
Tetradic#2B004B, #4B0600, #1F4B00
Tints, shades & saturation
Channel breakdown
R0
G69
B75
Red0 (0%)
Green69 (27.1%)
Blue75 (29.4%)
Hue184.8°
Saturation (HSL)100%
Lightness14.71%
Dominant channelBlue
Hex per channelR 00 · G 45 · B 4B
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