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Recognised as Colour

#0B4BAF

  • #0B4BAF
  • Blue
  • Dark
  • Nearest: Royal blue

#0B4BAF is a blue with RGB values 11, 75, 175 and HSL 217°, 88%, 36%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0B4BAF#0B4BAF
HEX#0B4BAF
RGBrgb(11, 75, 175)
RGB (0–1)0.0431, 0.2941, 0.6863
RGB percentages4.3%, 29.4%, 68.6%
HSLhsl(216.6, 88.2%, 36.5%)
HSV / HSBhsv(216.6, 93.7%, 68.6%)
CMYK93.7%, 57.1%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer740,271
CSS custom property--colour: #0B4BAF;

Brightness & contrast

Relative luminance0.08198WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.96:1
Contrast with white7.96:1WCAG normal text: AAA
Contrast with black2.64:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#F4B450

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058B2no red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#004AADno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#006475no blue cones; rare, and affects men and women equally; ΔE 57.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.96:1WCAG large text: AAA
Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.8Dark slateblue · ΔE 17.1Slate blue · ΔE 17.9Midnight blue · ΔE 22.7Rebecca purple · ΔE 23.8Medium purple · ΔE 26.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF6F0B
Analogous#0B9DAF, #1D0BAF
Triadic#AF0B4B, #4BAF0B
Split complementary#AF1D0B, #9DAF0B
Tetradic#AF0B9D, #AF6F0B, #0BAF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EB7F8
Lighter +30%#5E99F5
Lighter +20%#2E7BF2
Lighter +10%#0E60DF
Darker −10%#08367F
Darker −20%#05224F
Darker −30%#020D1F
Darker −40%#000000
More saturated +25%#0049BA
Less saturated −25%#225098

Channel breakdown

R11
G75
B175
Red11 (4.3%)
Green75 (29.4%)
Blue175 (68.6%)
Hue216.59°
Saturation (HSL)88.17%
Lightness36.47%
Dominant channelBlue
Hex per channelR 0B · G 4B · B AF

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Every value on this page was computed from “0b4baf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.