Recognised as Colour
#31302D
- #31302D
- Near-black
- Dark
- Nearest: Dark slate grey
#31302D is a near-black with RGB values 49, 48, 45 and HSL 45°, 4%, 18%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#31302D#31302D
HEX#31302D
RGBrgb(49, 48, 45)
RGB (0–1)0.1922, 0.1882, 0.1765
RGB percentages19.2%, 18.8%, 17.6%
HSLhsl(45, 4.3%, 18.4%)
HSV / HSBhsv(45, 8.2%, 19.2%)
CMYK0%, 2%, 8.2%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,223,597
CSS custom property--colour: #31302D;
Brightness & contrast
Relative luminance0.02956WCAG 2.x, 0 is black and 1 is white
Perceived brightness48 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.2:1
Contrast with white13.2:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#CECFD2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.2:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail
Named colours
Hue familynear-black
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2D2E31
Analogous#312E2D, #30312D
Triadic#2D3130, #302D31
Split complementary#2D3031, #2E2D31
Tetradic#2D312E, #2D2E31, #312D30
Tints, shades & saturation
Channel breakdown
R49
G48
B45
Red49 (19.2%)
Green48 (18.8%)
Blue45 (17.6%)
Hue45°
Saturation (HSL)4.26%
Lightness18.43%
Dominant channelRed
Hex per channelR 31 · G 30 · B 2D
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