Recognised as Colour
#00138A
- #00138A
- Blue
- Dark
- Nearest: Navy
#00138A is a blue with RGB values 0, 19, 138 and HSL 232°, 100%, 27%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#00138A#00138A
HEX#00138A
RGBrgb(0, 19, 138)
RGB (0–1)0, 0.0745, 0.5412
RGB percentages0%, 7.5%, 54.1%
HSLhsl(231.7, 100%, 27.1%)
HSV / HSBhsv(231.7, 100%, 54.1%)
CMYK100%, 86.2%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,002
CSS custom property--colour: #00138A;
Brightness & contrast
Relative luminance0.02301WCAG 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 14.38:1
Contrast with white14.38:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#FFEC75
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.38:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A7700
Analogous#00588A, #32008A
Triadic#8A0013, #138A00
Split complementary#8A3200, #588A00
Tetradic#8A0058, #8A7700, #008A32
Tints, shades & saturation
Channel breakdown
R0
G19
B138
Red0 (0%)
Green19 (7.5%)
Blue138 (54.1%)
Hue231.74°
Saturation (HSL)100%
Lightness27.06%
Dominant channelBlue
Hex per channelR 00 · G 13 · B 8A
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