Colour
#00645B
- #00645B
- Cyan
- Dark
- Nearest: Teal
#00645B is a cyan with RGB values 0, 100, 91 and HSL 175°, 100%, 20%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Teal.
Colour values
#00645B#00645B
HEX#00645B
RGBrgb(0, 100, 91)
RGB (0–1)0, 0.3922, 0.3569
RGB percentages0%, 39.2%, 35.7%
HSLhsl(174.6, 100%, 19.6%)
HSV / HSBhsv(174.6, 100%, 39.2%)
CMYK100%, 0%, 9%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,691
CSS custom property--colour: #00645B;
Brightness & contrast
Relative luminance0.0987WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.06:1
Contrast with white7.06:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#FF9BA4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.06:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#640009
Analogous#006429, #003B64
Triadic#5B0064, #645B00
Split complementary#64003B, #642900
Tetradic#290064, #640009, #3B6400
Tints, shades & saturation
Channel breakdown
R0
G100
B91
Red0 (0%)
Green100 (39.2%)
Blue91 (35.7%)
Hue174.6°
Saturation (HSL)100%
Lightness19.61%
Dominant channelGreen
Hex per channelR 00 · G 64 · B 5B
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