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Recognised as Colour

#0B4FA2

  • #0B4FA2
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0B4FA2 is a blue with RGB values 11, 79, 162 and HSL 213°, 87%, 34%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0B4FA2#0B4FA2
HEX#0B4FA2
RGBrgb(11, 79, 162)
RGB (0–1)0.0431, 0.3098, 0.6353
RGB percentages4.3%, 31%, 63.5%
HSLhsl(213, 87.3%, 33.9%)
HSV / HSBhsv(213, 93.2%, 63.5%)
CMYK93.2%, 51.2%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer741,282
CSS custom property--colour: #0B4FA2;

Brightness & contrast

Relative luminance0.08272WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.91:1
Contrast with white7.91:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#F4B05D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1758A5no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#004BA0no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#006371no blue cones; rare, and affects men and women equally; ΔE 48.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.91:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.2Royal blue · ΔE 23.6Slate blue · ΔE 25.8Midnight blue · ΔE 25.9Cornflower blue · ΔE 27.8Dodgerblue · ΔE 28.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A25E0B
Analogous#0B9BA2, #120BA2
Triadic#A20B4F, #4FA20B
Split complementary#A2120B, #9BA20B
Tetradic#A20B9B, #A25E0B, #0BA212

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#82B7F7
Lighter +30%#539BF3
Lighter +20%#237FF0
Lighter +10%#0E66D2
Darker −10%#083872
Darker −20%#052042
Darker −30%#010913
Darker −40%#000000
More saturated +25%#004EAD
Less saturated −25%#21518C

Channel breakdown

R11
G79
B162
Red11 (4.3%)
Green79 (31%)
Blue162 (63.5%)
Hue212.98°
Saturation (HSL)87.28%
Lightness33.92%
Dominant channelBlue
Hex per channelR 0B · G 4F · B A2

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Every value on this page was computed from “0b4fa2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.