Recognised as Colour
#21634D
- #21634D
- Cyan
- Dark
- Nearest: Teal
#21634D is a cyan with RGB values 33, 99, 77 and HSL 160°, 50%, 26%. 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
#21634D#21634D
HEX#21634D
RGBrgb(33, 99, 77)
RGB (0–1)0.1294, 0.3882, 0.302
RGB percentages12.9%, 38.8%, 30.2%
HSLhsl(160, 50%, 25.9%)
HSV / HSBhsv(160, 66.7%, 38.8%)
CMYK66.7%, 0%, 22.2%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,188,109
CSS custom property--colour: #21634D;
Brightness & contrast
Relative luminance0.09783WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.1:1
Contrast with white7.1:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#DE9CB2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.1:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#632137
Analogous#21632C, #215863
Triadic#4D2163, #634D21
Split complementary#632158, #632C21
Tetradic#2C2163, #632137, #586321
Tints, shades & saturation
Channel breakdown
R33
G99
B77
Red33 (12.9%)
Green99 (38.8%)
Blue77 (30.2%)
Hue160°
Saturation (HSL)50%
Lightness25.88%
Dominant channelGreen
Hex per channelR 21 · G 63 · B 4D
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