Colour
#001F90
- #001F90
- Blue
- Dark
- Nearest: Navy
#001F90 is a blue with RGB values 0, 31, 144 and HSL 227°, 100%, 28%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#001F90#001F90
HEX#001F90
RGBrgb(0, 31, 144)
RGB (0–1)0, 0.1216, 0.5647
RGB percentages0%, 12.2%, 56.5%
HSLhsl(227.1, 100%, 28.2%)
HSV / HSBhsv(227.1, 100%, 56.5%)
CMYK100%, 78.5%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,080
CSS custom property--colour: #001F90;
Brightness & contrast
Relative luminance0.02994WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.14:1
Contrast with white13.14:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#FFE06F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.14:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#907100
Analogous#006790, #290090
Triadic#90001F, #1F9000
Split complementary#902900, #679000
Tetradic#900067, #907100, #009029
Tints, shades & saturation
Channel breakdown
R0
G31
B144
Red0 (0%)
Green31 (12.2%)
Blue144 (56.5%)
Hue227.08°
Saturation (HSL)100%
Lightness28.24%
Dominant channelBlue
Hex per channelR 00 · G 1F · B 90
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