Colour
#2D138B
- #2D138B
- Blue
- Dark
- Nearest: Navy
#2D138B is a blue with RGB values 45, 19, 139 and HSL 253°, 76%, 31%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#2D138B#2D138B
HEX#2D138B
RGBrgb(45, 19, 139)
RGB (0–1)0.1765, 0.0745, 0.5451
RGB percentages17.6%, 7.5%, 54.5%
HSLhsl(253, 75.9%, 31%)
HSV / HSBhsv(253, 86.3%, 54.5%)
CMYK67.6%, 86.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,954,123
CSS custom property--colour: #2D138B;
Brightness & contrast
Relative luminance0.02888WCAG 2.x, 0 is black and 1 is white
Perceived brightness55 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.31:1
Contrast with white13.31:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#D2EC74
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.31:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#718B13
Analogous#13358B, #69138B
Triadic#8B2D13, #138B2D
Split complementary#8B6913, #358B13
Tetradic#8B1335, #718B13, #138B69
Tints, shades & saturation
Channel breakdown
R45
G19
B139
Red45 (17.6%)
Green19 (7.5%)
Blue139 (54.5%)
Hue253°
Saturation (HSL)75.95%
Lightness30.98%
Dominant channelBlue
Hex per channelR 2D · G 13 · B 8B
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