Recognised as Colour
#400CA1
- #400CA1
- Violet
- Dark
- Nearest: Dark blue
#400CA1 is a violet with RGB values 64, 12, 161 and HSL 261°, 86%, 34%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#400CA1#400CA1
HEX#400CA1
RGBrgb(64, 12, 161)
RGB (0–1)0.251, 0.0471, 0.6314
RGB percentages25.1%, 4.7%, 63.1%
HSLhsl(260.9, 86.1%, 33.9%)
HSV / HSBhsv(260.9, 92.5%, 63.1%)
CMYK60.2%, 92.5%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,197,537
CSS custom property--colour: #400CA1;
Brightness & contrast
Relative luminance0.03926WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.76:1
Contrast with white11.76:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#BFF35E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.76:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#6DA10C
Analogous#0C23A1, #8B0CA1
Triadic#A1400C, #0CA140
Split complementary#A18A0C, #23A10C
Tetradic#A10C23, #6DA10C, #0CA18B
Tints, shades & saturation
Channel breakdown
R64
G12
B161
Red64 (25.1%)
Green12 (4.7%)
Blue161 (63.1%)
Hue260.94°
Saturation (HSL)86.13%
Lightness33.92%
Dominant channelBlue
Hex per channelR 40 · G 0C · B A1
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