Colour
#391D27
- #391D27
- Red
- Dark
- Nearest: Black
#391D27 is a red with RGB values 57, 29, 39 and HSL 339°, 33%, 17%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#391D27#391D27
HEX#391D27
RGBrgb(57, 29, 39)
RGB (0–1)0.2235, 0.1137, 0.1529
RGB percentages22.4%, 11.4%, 15.3%
HSLhsl(338.6, 32.6%, 16.9%)
HSV / HSBhsv(338.6, 49.1%, 22.4%)
CMYK0%, 49.1%, 31.6%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,743,015
CSS custom property--colour: #391D27;
Brightness & contrast
Relative luminance0.01895WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.23:1
Contrast with white15.23:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#C6E2D8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.23:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1D392F
Analogous#391D35, #39211D
Triadic#27391D, #1D2739
Split complementary#1D3921, #1D3539
Tetradic#35391D, #1D392F, #211D39
Tints, shades & saturation
Channel breakdown
R57
G29
B39
Red57 (22.4%)
Green29 (11.4%)
Blue39 (15.3%)
Hue338.57°
Saturation (HSL)32.56%
Lightness16.86%
Dominant channelRed
Hex per channelR 39 · G 1D · B 27
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