Recognised as Colour
#0A15A8
- #0A15A8
- Blue
- Dark
- Nearest: Dark blue
#0A15A8 is a blue with RGB values 10, 21, 168 and HSL 236°, 89%, 35%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#0A15A8#0A15A8
HEX#0A15A8
RGBrgb(10, 21, 168)
RGB (0–1)0.0392, 0.0824, 0.6588
RGB percentages3.9%, 8.2%, 65.9%
HSLhsl(235.8, 88.8%, 34.9%)
HSV / HSBhsv(235.8, 94%, 65.9%)
CMYK94%, 87.5%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer660,904
CSS custom property--colour: #0A15A8;
Brightness & contrast
Relative luminance0.03428WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.46:1
Contrast with white12.46:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#F5EA57
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.46:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A89D0A
Analogous#0A64A8, #4E0AA8
Triadic#A80A15, #15A80A
Split complementary#A84E0A, #64A80A
Tetradic#A80A64, #A89D0A, #0AA84E
Tints, shades & saturation
Channel breakdown
R10
G21
B168
Red10 (3.9%)
Green21 (8.2%)
Blue168 (65.9%)
Hue235.82°
Saturation (HSL)88.76%
Lightness34.9%
Dominant channelBlue
Hex per channelR 0A · G 15 · B A8
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