Recognised as Colour
#3D212A
- #3D212A
- Red
- Dark
- Nearest: Black
#3D212A is a red with RGB values 61, 33, 42 and HSL 341°, 30%, 18%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#3D212A#3D212A
HEX#3D212A
RGBrgb(61, 33, 42)
RGB (0–1)0.2392, 0.1294, 0.1647
RGB percentages23.9%, 12.9%, 16.5%
HSLhsl(340.7, 29.8%, 18.4%)
HSV / HSBhsv(340.7, 45.9%, 23.9%)
CMYK0%, 45.9%, 31.1%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,006,186
CSS custom property--colour: #3D212A;
Brightness & contrast
Relative luminance0.02247WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.49:1
Contrast with white14.49:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#C2DED5
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.49:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#213D34
Analogous#3D2138, #3D2621
Triadic#2A3D21, #212A3D
Split complementary#213D26, #21383D
Tetradic#383D21, #213D34, #26213D
Tints, shades & saturation
Channel breakdown
R61
G33
B42
Red61 (23.9%)
Green33 (12.9%)
Blue42 (16.5%)
Hue340.71°
Saturation (HSL)29.79%
Lightness18.43%
Dominant channelRed
Hex per channelR 3D · G 21 · B 2A
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