Recognised as Colour
#2130AB
- #2130AB
- Blue
- Dark
- Nearest: Navy
#2130AB is a blue with RGB values 33, 48, 171 and HSL 233°, 68%, 40%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#2130AB#2130AB
HEX#2130AB
RGBrgb(33, 48, 171)
RGB (0–1)0.1294, 0.1882, 0.6706
RGB percentages12.9%, 18.8%, 67.1%
HSLhsl(233.5, 67.6%, 40%)
HSV / HSBhsv(233.5, 80.7%, 67.1%)
CMYK80.7%, 71.9%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,175,147
CSS custom property--colour: #2130AB;
Brightness & contrast
Relative luminance0.05378WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.12:1
Contrast with white10.12:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#DECF54
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.12:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AB9C21
Analogous#2175AB, #5721AB
Triadic#AB2130, #30AB21
Split complementary#AB5721, #75AB21
Tetradic#AB2175, #AB9C21, #21AB57
Tints, shades & saturation
Channel breakdown
R33
G48
B171
Red33 (12.9%)
Green48 (18.8%)
Blue171 (67.1%)
Hue233.48°
Saturation (HSL)67.65%
Lightness40%
Dominant channelBlue
Hex per channelR 21 · G 30 · B AB
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