Nerdulator> put something in

Recognised as Colour

#0B4991

  • #0B4991
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0B4991 is a blue with RGB values 11, 73, 145 and HSL 212°, 86%, 31%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0B4991#0B4991
HEX#0B4991
RGBrgb(11, 73, 145)
RGB (0–1)0.0431, 0.2863, 0.5686
RGB percentages4.3%, 28.6%, 56.9%
HSLhsl(212.2, 85.9%, 30.6%)
HSV / HSBhsv(212.2, 92.4%, 56.9%)
CMYK92.4%, 49.7%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer739,729
CSS custom property--colour: #0B4991;

Brightness & contrast

Relative luminance0.06881WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.84:1
Contrast with white8.84:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#F4B66E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D5094no red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#004590no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#005B66no blue cones; rare, and affects men and women equally; ΔE 43.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.84:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.5Midnight blue · ΔE 26.6Steel blue · ΔE 28.6Royal blue · ΔE 30.4Cornflower blue · ΔE 30.8Slate blue · ΔE 31.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#91530B
Analogous#0B8C91, #100B91
Triadic#910B49, #49910B
Split complementary#91100B, #8C910B
Tetradic#910B8C, #91530B, #0B9110

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#74AFF4
Lighter +30%#4494F1
Lighter +20%#1579ED
Lighter +10%#0F61C0
Darker −10%#073162
Darker −20%#041932
Darker −30%#000103
Darker −40%#000000
More saturated +25%#00489C
Less saturated −25%#1E4A7E

Channel breakdown

R11
G73
B145
Red11 (4.3%)
Green73 (28.6%)
Blue145 (56.9%)
Hue212.24°
Saturation (HSL)85.9%
Lightness30.59%
Dominant channelBlue
Hex per channelR 0B · G 49 · B 91

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “0b4991” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.