Colour
#2D2121
- #2D2121
- Red
- Dark
- Nearest: Black
#2D2121 is a red with RGB values 45, 33, 33 and HSL 0°, 15%, 15%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#2D2121#2D2121
HEX#2D2121
RGBrgb(45, 33, 33)
RGB (0–1)0.1765, 0.1294, 0.1294
RGB percentages17.6%, 12.9%, 12.9%
HSLhsl(0, 15.4%, 15.3%)
HSV / HSBhsv(0, 26.7%, 17.6%)
CMYK0%, 26.7%, 26.7%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,957,601
CSS custom property--colour: #2D2121;
Brightness & contrast
Relative luminance0.01755WCAG 2.x, 0 is black and 1 is white
Perceived brightness37 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.54:1
Contrast with white15.54:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#D2DEDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.54:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#212D2D
Analogous#2D2127, #2D2721
Triadic#212D21, #21212D
Split complementary#212D27, #21272D
Tetradic#272D21, #212D2D, #27212D
Tints, shades & saturation
Channel breakdown
R45
G33
B33
Red45 (17.6%)
Green33 (12.9%)
Blue33 (12.9%)
Hue0°
Saturation (HSL)15.38%
Lightness15.29%
Dominant channelRed
Hex per channelR 2D · G 21 · B 21
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