Colour
#1830BF
- #1830BF
- Blue
- Dark
- Nearest: Dark blue
#1830BF is a blue with RGB values 24, 48, 191 and HSL 231°, 78%, 42%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#1830BF#1830BF
HEX#1830BF
RGBrgb(24, 48, 191)
RGB (0–1)0.0941, 0.1882, 0.749
RGB percentages9.4%, 18.8%, 74.9%
HSLhsl(231.4, 77.7%, 42.2%)
HSV / HSBhsv(231.4, 87.4%, 74.9%)
CMYK87.4%, 74.9%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,585,343
CSS custom property--colour: #1830BF;
Brightness & contrast
Relative luminance0.0607WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.49:1
Contrast with white9.49:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#E7CF40
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.49:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BFA718
Analogous#1884BF, #5318BF
Triadic#BF1830, #30BF18
Split complementary#BF5318, #84BF18
Tetradic#BF1884, #BFA718, #18BF53
Tints, shades & saturation
Channel breakdown
R24
G48
B191
Red24 (9.4%)
Green48 (18.8%)
Blue191 (74.9%)
Hue231.38°
Saturation (HSL)77.67%
Lightness42.16%
Dominant channelBlue
Hex per channelR 18 · G 30 · B BF
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