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Recognised as Colour

#0B1849

  • #0B1849
  • Blue
  • Dark
  • Nearest: Midnight blue

#0B1849 is a blue with RGB values 11, 24, 73 and HSL 227°, 74%, 16%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0B1849#0B1849
HEX#0B1849
RGBrgb(11, 24, 73)
RGB (0–1)0.0431, 0.0941, 0.2863
RGB percentages4.3%, 9.4%, 28.6%
HSLhsl(227.4, 73.8%, 16.5%)
HSV / HSBhsv(227.4, 84.9%, 28.6%)
CMYK84.9%, 67.1%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer727,113
CSS custom property--colour: #0B1849;

Brightness & contrast

Relative luminance0.01205WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.92:1
Contrast with white16.92:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#F4E7B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00204Bno red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#001A48no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00252Dno blue cones; rare, and affects men and women equally; ΔE 33.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.92:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 24.6Dark slateblue · ΔE 25Black · ΔE 37.1Rebecca purple · ΔE 38.6Indigo · ΔE 43.3Dark slate grey · ΔE 44.3
Nearest named CSS colourMidnight blue (#191970)ΔE 24.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#493C0B
Analogous#0B3749, #1D0B49
Triadic#490B18, #18490B
Split complementary#491D0B, #37490B
Tetradic#490B37, #493C0B, #0B491D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E60E2
Lighter +30%#1F44CE
Lighter +20%#1835A2
Lighter +10%#122775
Darker −10%#04091D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001253
Less saturated −25%#151E3E

Channel breakdown

R11
G24
B73
Red11 (4.3%)
Green24 (9.4%)
Blue73 (28.6%)
Hue227.42°
Saturation (HSL)73.81%
Lightness16.47%
Dominant channelBlue
Hex per channelR 0B · G 18 · B 49

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Every value on this page was computed from “0b1849” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.