Colour
#2A0000
- #2A0000
- Red
- Dark
- Nearest: Black
#2A0000 is a red with RGB values 42, 0, 0 and HSL 0°, 100%, 8%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#2A0000#2A0000
HEX#2A0000
RGBrgb(42, 0, 0)
RGB (0–1)0.1647, 0, 0
RGB percentages16.5%, 0%, 0%
HSLhsl(0, 100%, 8.2%)
HSV / HSBhsv(0, 100%, 16.5%)
CMYK0%, 100%, 100%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,752,512
CSS custom property--colour: #2A0000;
Brightness & contrast
Relative luminance0.00492WCAG 2.x, 0 is black and 1 is white
Perceived brightness23 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.12:1
Contrast with white19.12:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#D5FFFF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.12:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#002A2A
Analogous#2A0015, #2A1500
Triadic#002A00, #00002A
Split complementary#002A15, #00152A
Tetradic#152A00, #002A2A, #15002A
Tints, shades & saturation
Channel breakdown
R42
G0
B0
Red42 (16.5%)
Green0 (0%)
Blue0 (0%)
Hue0°
Saturation (HSL)100%
Lightness8.24%
Dominant channelRed
Hex per channelR 2A · G 00 · B 00
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