Recognised as Colour
#011B83
- #011B83
- Blue
- Dark
- Nearest: Midnight blue
#011B83 is a blue with RGB values 1, 27, 131 and HSL 228°, 98%, 26%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.
Colour values
#011B83#011B83
HEX#011B83
RGBrgb(1, 27, 131)
RGB (0–1)0.0039, 0.1059, 0.5137
RGB percentages0.4%, 10.6%, 51.4%
HSLhsl(228, 98.5%, 25.9%)
HSV / HSBhsv(228, 99.2%, 51.4%)
CMYK99.2%, 79.4%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer72,579
CSS custom property--colour: #011B83;
Brightness & contrast
Relative luminance0.02429WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.13:1
Contrast with white14.13:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FEE47C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.13:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#836901
Analogous#015C83, #280183
Triadic#83011B, #1B8301
Split complementary#832801, #5C8301
Tetradic#83015C, #836901, #018328
Tints, shades & saturation
Channel breakdown
R1
G27
B131
Red1 (0.4%)
Green27 (10.6%)
Blue131 (51.4%)
Hue228°
Saturation (HSL)98.48%
Lightness25.88%
Dominant channelBlue
Hex per channelR 01 · G 1B · B 83
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