Recognised as Colour
#42302F
- #42302F
- Red
- Dark
- Nearest: Dark slate grey
#42302F is a red with RGB values 66, 48, 47 and HSL 3°, 17%, 22%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#42302F#42302F
HEX#42302F
RGBrgb(66, 48, 47)
RGB (0–1)0.2588, 0.1882, 0.1843
RGB percentages25.9%, 18.8%, 18.4%
HSLhsl(3.2, 16.8%, 22.2%)
HSV / HSBhsv(3.2, 28.8%, 25.9%)
CMYK0%, 27.3%, 28.8%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,337,711
CSS custom property--colour: #42302F;
Brightness & contrast
Relative luminance0.03477WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.39:1
Contrast with white12.39:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#BDCFD0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.39:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2F4142
Analogous#422F38, #42392F
Triadic#2F4230, #302F42
Split complementary#2F423A, #2F3842
Tetradic#38422F, #2F4142, #3A2F42
Tints, shades & saturation
Channel breakdown
R66
G48
B47
Red66 (25.9%)
Green48 (18.8%)
Blue47 (18.4%)
Hue3.16°
Saturation (HSL)16.81%
Lightness22.16%
Dominant channelRed
Hex per channelR 42 · G 30 · B 2F
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