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Recognised as Colour

#0B3CA4

  • #0B3CA4
  • Blue
  • Dark
  • Nearest: Midnight blue

#0B3CA4 is a blue with RGB values 11, 60, 164 and HSL 221°, 87%, 34%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0B3CA4#0B3CA4
HEX#0B3CA4
RGBrgb(11, 60, 164)
RGB (0–1)0.0431, 0.2353, 0.6431
RGB percentages4.3%, 23.5%, 64.3%
HSLhsl(220.8, 87.4%, 34.3%)
HSV / HSBhsv(220.8, 93.3%, 64.3%)
CMYK93.3%, 63.4%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer736,420
CSS custom property--colour: #0B3CA4;

Brightness & contrast

Relative luminance0.05983WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#F4C35B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CA7no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#003EA2no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00586Ano blue cones; rare, and affects men and women equally; ΔE 61.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.5Dark slateblue · ΔE 17.9Slate blue · ΔE 18.2Royal blue · ΔE 19.3Rebecca purple · ΔE 20.2Navy · ΔE 26.2
Nearest named CSS colourMidnight blue (#191970)ΔE 17.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4730B
Analogous#0B89A4, #260BA4
Triadic#A40B3C, #3CA40B
Split complementary#A4270B, #88A40B
Tetradic#A40B89, #A4730B, #0BA427

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84A9F7
Lighter +30%#5487F4
Lighter +20%#2566F0
Lighter +10%#0E4DD4
Darker −10%#082B74
Darker −20%#051944
Darker −30%#010815
Darker −40%#000000
More saturated +25%#0038AF
Less saturated −25%#21448E

Channel breakdown

R11
G60
B164
Red11 (4.3%)
Green60 (23.5%)
Blue164 (64.3%)
Hue220.78°
Saturation (HSL)87.43%
Lightness34.31%
Dominant channelBlue
Hex per channelR 0B · G 3C · B A4

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Every value on this page was computed from “0b3ca4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.