Recognised as Colour
#1B1980
- #1B1980
- Blue
- Dark
- Nearest: Midnight blue
#1B1980 is a blue with RGB values 27, 25, 128 and HSL 241°, 67%, 30%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.
Colour values
#1B1980#1B1980
HEX#1B1980
RGBrgb(27, 25, 128)
RGB (0–1)0.1059, 0.098, 0.502
RGB percentages10.6%, 9.8%, 50.2%
HSLhsl(241.2, 67.3%, 30%)
HSV / HSBhsv(241.2, 80.5%, 50.2%)
CMYK78.9%, 80.5%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,776,000
CSS custom property--colour: #1B1980;
Brightness & contrast
Relative luminance0.02487WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.02:1
Contrast with white14.02:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#E4E67F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.02:1WCAG 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#7E8019
Analogous#194B80, #4F1980
Triadic#801B19, #19801B
Split complementary#804E19, #4B8019
Tetradic#80194A, #7E8019, #19804E
Tints, shades & saturation
Channel breakdown
R27
G25
B128
Red27 (10.6%)
Green25 (9.8%)
Blue128 (50.2%)
Hue241.17°
Saturation (HSL)67.32%
Lightness30%
Dominant channelBlue
Hex per channelR 1B · G 19 · B 80
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page