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Recognised as Colour

#0B3D64

  • #0B3D64
  • Blue
  • Dark
  • Nearest: Dark slate grey

#0B3D64 is a blue with RGB values 11, 61, 100 and HSL 206°, 80%, 22%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B3D64#0B3D64
HEX#0B3D64
RGBrgb(11, 61, 100)
RGB (0–1)0.0431, 0.2392, 0.3922
RGB percentages4.3%, 23.9%, 39.2%
HSLhsl(206.3, 80.2%, 21.8%)
HSV / HSBhsv(206.3, 89%, 39.2%)
CMYK89%, 39%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer736,612
CSS custom property--colour: #0B3D64;

Brightness & contrast

Relative luminance0.04329WCAG 2.x, 0 is black and 1 is white
Perceived brightness58 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.26:1
Contrast with white11.26:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#F4C29B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A3F66no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#1D3763no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#00464Bno blue cones; rare, and affects men and women equally; ΔE 25.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.26:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 27.2Steel blue · ΔE 28.4Dark slateblue · ΔE 30.6Slate grey · ΔE 32.8Dim grey · ΔE 33.8Light slate grey · ΔE 35.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 27.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#64320B
Analogous#0B645E, #0B1164
Triadic#640B3D, #3D640B
Split complementary#640B11, #645E0B
Tetradic#5E0B64, #64320B, #11640B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4FA7EC
Lighter +30%#2190E7
Lighter +20%#1575C0
Lighter +10%#105992
Darker −10%#062136
Darker −20%#010508
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003E6F
Less saturated −25%#193B56

Channel breakdown

R11
G61
B100
Red11 (4.3%)
Green61 (23.9%)
Blue100 (39.2%)
Hue206.29°
Saturation (HSL)80.18%
Lightness21.76%
Dominant channelBlue
Hex per channelR 0B · G 3D · B 64

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Every value on this page was computed from “0b3d64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.