Recognised as Colour
#3F282F
- #3F282F
- Red
- Dark
- Nearest: Black
#3F282F is a red with RGB values 63, 40, 47 and HSL 342°, 22%, 20%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#3F282F#3F282F
HEX#3F282F
RGBrgb(63, 40, 47)
RGB (0–1)0.2471, 0.1569, 0.1843
RGB percentages24.7%, 15.7%, 18.4%
HSLhsl(341.7, 22.3%, 20.2%)
HSV / HSBhsv(341.7, 36.5%, 24.7%)
CMYK0%, 36.5%, 25.4%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,139,055
CSS custom property--colour: #3F282F;
Brightness & contrast
Relative luminance0.0278WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.5:1
Contrast with white13.5:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#C0D7D0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.5:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#283F38
Analogous#3F283A, #3F2D28
Triadic#2F3F28, #282F3F
Split complementary#283F2D, #283A3F
Tetradic#3B3F28, #283F38, #2D283F
Tints, shades & saturation
Channel breakdown
R63
G40
B47
Red63 (24.7%)
Green40 (15.7%)
Blue47 (18.4%)
Hue341.74°
Saturation (HSL)22.33%
Lightness20.2%
Dominant channelRed
Hex per channelR 3F · G 28 · B 2F
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