Colour
#3F1724
- #3F1724
- Red
- Dark
- Nearest: Black
#3F1724 is a red with RGB values 63, 23, 36 and HSL 341°, 47%, 17%. It is a dark colour, so white text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#3F1724#3F1724
HEX#3F1724
RGBrgb(63, 23, 36)
RGB (0–1)0.2471, 0.0902, 0.1412
RGB percentages24.7%, 9%, 14.1%
HSLhsl(340.5, 46.5%, 16.9%)
HSV / HSBhsv(340.5, 63.5%, 24.7%)
CMYK0%, 63.5%, 42.9%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,134,692
CSS custom property--colour: #3F1724;
Brightness & contrast
Relative luminance0.01797WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.45:1
Contrast with white15.45:1WCAG normal text: AAA
Contrast with black1.36:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#C0E8DB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.45:1WCAG large text: AAA
Contrast with black, large text1.36:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#173F32
Analogous#3F1738, #3F1E17
Triadic#243F17, #17243F
Split complementary#173F1E, #17383F
Tetradic#383F17, #173F32, #1E173F
Tints, shades & saturation
Channel breakdown
R63
G23
B36
Red63 (24.7%)
Green23 (9%)
Blue36 (14.1%)
Hue340.5°
Saturation (HSL)46.51%
Lightness16.86%
Dominant channelRed
Hex per channelR 3F · G 17 · B 24
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