Recognised as Colour
#1B0899
- #1B0899
- Blue
- Dark
- Nearest: Dark blue
#1B0899 is a blue with RGB values 27, 8, 153 and HSL 248°, 90%, 32%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#1B0899#1B0899
HEX#1B0899
RGBrgb(27, 8, 153)
RGB (0–1)0.1059, 0.0314, 0.6
RGB percentages10.6%, 3.1%, 60%
HSLhsl(247.9, 90.1%, 31.6%)
HSV / HSBhsv(247.9, 94.8%, 60%)
CMYK82.4%, 94.8%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,771,673
CSS custom property--colour: #1B0899;
Brightness & contrast
Relative luminance0.02707WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.62:1
Contrast with white13.62:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#E4F766
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.62:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#869908
Analogous#083E99, #630899
Triadic#991B08, #08991B
Split complementary#996308, #3E9908
Tetradic#99083E, #869908, #089963
Tints, shades & saturation
Channel breakdown
R27
G8
B153
Red27 (10.6%)
Green8 (3.1%)
Blue153 (60%)
Hue247.86°
Saturation (HSL)90.06%
Lightness31.57%
Dominant channelBlue
Hex per channelR 1B · G 08 · B 99
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