Recognised as Colour
#1B2EBB
- #1B2EBB
- Blue
- Dark
- Nearest: Dark blue
#1B2EBB is a blue with RGB values 27, 46, 187 and HSL 233°, 75%, 42%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#1B2EBB#1B2EBB
HEX#1B2EBB
RGBrgb(27, 46, 187)
RGB (0–1)0.1059, 0.1804, 0.7333
RGB percentages10.6%, 18%, 73.3%
HSLhsl(232.9, 74.8%, 42%)
HSV / HSBhsv(232.9, 85.6%, 73.3%)
CMYK85.6%, 75.4%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,781,435
CSS custom property--colour: #1B2EBB;
Brightness & contrast
Relative luminance0.05775WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.74:1
Contrast with white9.74:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#E4D144
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.74:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BBA81B
Analogous#1B7EBB, #581BBB
Triadic#BB1B2E, #2EBB1B
Split complementary#BB581B, #7EBB1B
Tetradic#BB1B7E, #BBA81B, #1BBB58
Tints, shades & saturation
Channel breakdown
R27
G46
B187
Red27 (10.6%)
Green46 (18%)
Blue187 (73.3%)
Hue232.88°
Saturation (HSL)74.77%
Lightness41.96%
Dominant channelBlue
Hex per channelR 1B · G 2E · B BB
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