Recognised as Colour
#00157E
- #00157E
- Blue
- Dark
- Nearest: Midnight blue
#00157E is a blue with RGB values 0, 21, 126 and HSL 230°, 100%, 25%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.
Colour values
#00157E#00157E
HEX#00157E
RGBrgb(0, 21, 126)
RGB (0–1)0, 0.0824, 0.4941
RGB percentages0%, 8.2%, 49.4%
HSLhsl(230, 100%, 24.7%)
HSV / HSBhsv(230, 100%, 49.4%)
CMYK100%, 83.3%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,502
CSS custom property--colour: #00157E;
Brightness & contrast
Relative luminance0.02043WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.91:1
Contrast with white14.91:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#FFEA81
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.91:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7E6900
Analogous#00547E, #2A007E
Triadic#7E0015, #157E00
Split complementary#7E2A00, #547E00
Tetradic#7E0054, #7E6900, #007E2A
Tints, shades & saturation
Channel breakdown
R0
G21
B126
Red0 (0%)
Green21 (8.2%)
Blue126 (49.4%)
Hue230°
Saturation (HSL)100%
Lightness24.71%
Dominant channelBlue
Hex per channelR 00 · G 15 · B 7E
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