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Recognised as Colour

#0B344B

  • #0B344B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#0B344B is a blue with RGB values 11, 52, 75 and HSL 202°, 74%, 17%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B344B#0B344B
HEX#0B344B
RGBrgb(11, 52, 75)
RGB (0–1)0.0431, 0.2039, 0.2941
RGB percentages4.3%, 20.4%, 29.4%
HSLhsl(201.6, 74.4%, 16.9%)
HSV / HSBhsv(201.6, 85.3%, 29.4%)
CMYK85.3%, 30.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer734,283
CSS custom property--colour: #0B344B;

Brightness & contrast

Relative luminance0.03035WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.07:1
Contrast with white13.07:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#F4CBB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#29344Cno red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#202E4Bno green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#003A3Cno blue cones; rare, and affects men and women equally; ΔE 16.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.07:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.5Black · ΔE 27.5Dim grey · ΔE 30.6Slate grey · ΔE 33.6Steel blue · ΔE 35.2Light slate grey · ΔE 36.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B220B
Analogous#0B4B42, #0B144B
Triadic#4B0B34, #344B0B
Split complementary#4B0B14, #4B420B
Tetradic#420B4B, #4B220B, #144B0B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3FA8E3
Lighter +30%#1F91D0
Lighter +20%#1872A4
Lighter +10%#125377
Darker −10%#04151F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003756
Less saturated −25%#163140

Channel breakdown

R11
G52
B75
Red11 (4.3%)
Green52 (20.4%)
Blue75 (29.4%)
Hue201.56°
Saturation (HSL)74.42%
Lightness16.86%
Dominant channelBlue
Hex per channelR 0B · G 34 · B 4B

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Every value on this page was computed from “0b344b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.