Colour
#221F21
- #221F21
- Near-black
- Dark
- Nearest: Black
#221F21 is a near-black with RGB values 34, 31, 33 and HSL 320°, 5%, 13%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#221F21#221F21
HEX#221F21
RGBrgb(34, 31, 33)
RGB (0–1)0.1333, 0.1216, 0.1294
RGB percentages13.3%, 12.2%, 12.9%
HSLhsl(320, 4.6%, 12.7%)
HSV / HSBhsv(320, 8.8%, 13.3%)
CMYK0%, 8.8%, 2.9%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,236,193
CSS custom property--colour: #221F21;
Brightness & contrast
Relative luminance0.0143WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.33:1
Contrast with white16.33:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#DDE0DE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.33:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail
Named colours
Hue familynear-black
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1F2220
Analogous#211F22, #221F1F
Triadic#21221F, #1F2122
Split complementary#1F221F, #1F2221
Tetradic#22211F, #1F2220, #1F1F22
Tints, shades & saturation
Channel breakdown
R34
G31
B33
Red34 (13.3%)
Green31 (12.2%)
Blue33 (12.9%)
Hue320°
Saturation (HSL)4.62%
Lightness12.75%
Dominant channelRed
Hex per channelR 22 · G 1F · B 21
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