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Recognised as Colour

#0B1448

  • #0B1448
  • Blue
  • Dark
  • Nearest: Midnight blue

#0B1448 is a blue with RGB values 11, 20, 72 and HSL 231°, 73%, 16%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0B1448#0B1448
HEX#0B1448
RGBrgb(11, 20, 72)
RGB (0–1)0.0431, 0.0784, 0.2824
RGB percentages4.3%, 7.8%, 28.2%
HSLhsl(231.1, 73.5%, 16.3%)
HSV / HSBhsv(231.1, 84.7%, 28.2%)
CMYK84.7%, 72.2%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer726,088
CSS custom property--colour: #0B1448;

Brightness & contrast

Relative luminance0.01039WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.39:1
Contrast with white17.39:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#F4EBB7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D4Ano red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#001747no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00222Bno blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.39:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.2Dark slateblue · ΔE 24.6Rebecca purple · ΔE 37Black · ΔE 39.1Indigo · ΔE 40.7Navy · ΔE 43.2
Nearest named CSS colourMidnight blue (#191970)ΔE 22.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#483F0B
Analogous#0B3248, #210B48
Triadic#480B14, #14480B
Split complementary#48210B, #32480B
Tetradic#480B32, #483F0B, #0B4821

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E56E1
Lighter +30%#1F39CD
Lighter +20%#192DA0
Lighter +10%#122074
Darker −10%#04081C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010D52
Less saturated −25%#151B3E

Channel breakdown

R11
G20
B72
Red11 (4.3%)
Green20 (7.8%)
Blue72 (28.2%)
Hue231.15°
Saturation (HSL)73.49%
Lightness16.27%
Dominant channelBlue
Hex per channelR 0B · G 14 · B 48

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Every value on this page was computed from “0b1448” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.