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Recognised as Colour

#0B2549

  • #0B2549
  • Blue
  • Dark
  • Nearest: Black

#0B2549 is a blue with RGB values 11, 37, 73 and HSL 215°, 74%, 16%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B2549#0B2549
HEX#0B2549
RGBrgb(11, 37, 73)
RGB (0–1)0.0431, 0.1451, 0.2863
RGB percentages4.3%, 14.5%, 28.6%
HSLhsl(214.8, 73.8%, 16.5%)
HSV / HSBhsv(214.8, 84.9%, 28.6%)
CMYK84.9%, 49.3%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer730,441
CSS custom property--colour: #0B2549;

Brightness & contrast

Relative luminance0.01875WCAG 2.x, 0 is black and 1 is white
Perceived brightness38 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.27:1
Contrast with white15.27:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#F4DAB6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#13284Ano red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#062348no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#002E33no blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.27:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Black · ΔE 29.8Dark slateblue · ΔE 31.2Dark slate grey · ΔE 32Midnight blue · ΔE 36Dim grey · ΔE 39.3Steel blue · ΔE 39.4
Nearest named CSS colourBlack (#000000)ΔE 29.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#492F0B
Analogous#0B4449, #100B49
Triadic#490B25, #25490B
Split complementary#49100B, #44490B
Tetradic#490B44, #492F0B, #0B4910

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E83E2
Lighter +30%#1F68CE
Lighter +20%#1852A2
Lighter +10%#123B75
Darker −10%#040F1D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002353
Less saturated −25%#15273E

Channel breakdown

R11
G37
B73
Red11 (4.3%)
Green37 (14.5%)
Blue73 (28.6%)
Hue214.84°
Saturation (HSL)73.81%
Lightness16.47%
Dominant channelBlue
Hex per channelR 0B · G 25 · B 49

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Every value on this page was computed from “0b2549” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.