Recognised as Colour
#213D34
- #213D34
- Cyan
- Dark
- Nearest: Dark slate grey
#213D34 is a cyan with RGB values 33, 61, 52 and HSL 161°, 30%, 18%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#213D34#213D34
HEX#213D34
RGBrgb(33, 61, 52)
RGB (0–1)0.1294, 0.2392, 0.2039
RGB percentages12.9%, 23.9%, 20.4%
HSLhsl(160.7, 29.8%, 18.4%)
HSV / HSBhsv(160.7, 45.9%, 23.9%)
CMYK45.9%, 0%, 14.8%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,178,356
CSS custom property--colour: #213D34;
Brightness & contrast
Relative luminance0.03909WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.79:1
Contrast with white11.79:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#DEC2CB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.79:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3D212A
Analogous#213D26, #21383D
Triadic#34213D, #3D3421
Split complementary#3D2138, #3D2621
Tetradic#26213D, #3D212A, #383D21
Tints, shades & saturation
Channel breakdown
R33
G61
B52
Red33 (12.9%)
Green61 (23.9%)
Blue52 (20.4%)
Hue160.71°
Saturation (HSL)29.79%
Lightness18.43%
Dominant channelGreen
Hex per channelR 21 · G 3D · B 34
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