Recognised as Colour
#1C1783
- #1C1783
- Blue
- Dark
- Nearest: Navy
#1C1783 is a blue with RGB values 28, 23, 131 and HSL 243°, 70%, 30%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#1C1783#1C1783
HEX#1C1783
RGBrgb(28, 23, 131)
RGB (0–1)0.1098, 0.0902, 0.5137
RGB percentages11%, 9%, 51.4%
HSLhsl(242.8, 70.1%, 30.2%)
HSV / HSBhsv(242.8, 82.4%, 51.4%)
CMYK78.6%, 82.4%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,841,027
CSS custom property--colour: #1C1783;
Brightness & contrast
Relative luminance0.02498WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14:1
Contrast with white14:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#E3E87C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7E8317
Analogous#174883, #521783
Triadic#831C17, #17831C
Split complementary#835217, #488317
Tetradic#831748, #7E8317, #178352
Tints, shades & saturation
Channel breakdown
R28
G23
B131
Red28 (11%)
Green23 (9%)
Blue131 (51.4%)
Hue242.78°
Saturation (HSL)70.13%
Lightness30.2%
Dominant channelBlue
Hex per channelR 1C · G 17 · B 83
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