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Recognised as Colour

#0B005A

  • #0B005A
  • Blue
  • Dark
  • Nearest: Midnight blue

#0B005A is a blue with RGB values 11, 0, 90 and HSL 247°, 100%, 18%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0B005A#0B005A
HEX#0B005A
RGBrgb(11, 0, 90)
RGB (0–1)0.0431, 0, 0.3529
RGB percentages4.3%, 0%, 35.3%
HSLhsl(247.3, 100%, 17.6%)
HSV / HSBhsv(247.3, 100%, 35.3%)
CMYK87.8%, 100%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer720,986
CSS custom property--colour: #0B005A;

Brightness & contrast

Relative luminance0.00809WCAG 2.x, 0 is black and 1 is white
Perceived brightness31 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.07:1
Contrast with white18.07:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#F4FFA5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001A5Cno red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#001159no green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#002131no blue cones; rare, and affects men and women equally; ΔE 55 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text18.07:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.2Navy · ΔE 19.5Indigo · ΔE 20Dark blue · ΔE 24.7Rebecca purple · ΔE 26.3Dark slateblue · ΔE 27
Nearest named CSS colourMidnight blue (#191970)ΔE 10.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F5A00
Analogous#00225A, #38005A
Triadic#5A0B00, #005A0B
Split complementary#5A3800, #225A00
Tetradic#5A0022, #4F5A00, #005A38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4127FF
Lighter +30%#1E00F3
Lighter +20%#1700C0
Lighter +10%#11008D
Darker −10%#050027
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B005A
Less saturated −25%#130B4F

Channel breakdown

R11
G0
B90
Red11 (4.3%)
Green0 (0%)
Blue90 (35.3%)
Hue247.33°
Saturation (HSL)100%
Lightness17.65%
Dominant channelBlue
Hex per channelR 0B · G 00 · B 5A

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Every value on this page was computed from “0b005a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.