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Recognised as Colour

#0B3545

  • #0B3545
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B3545 is a cyan with RGB values 11, 53, 69 and HSL 197°, 72%, 16%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B3545#0B3545
HEX#0B3545
RGBrgb(11, 53, 69)
RGB (0–1)0.0431, 0.2078, 0.2706
RGB percentages4.3%, 20.8%, 27.1%
HSLhsl(196.6, 72.5%, 15.7%)
HSV / HSBhsv(196.6, 84.1%, 27.1%)
CMYK84.1%, 23.2%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer734,533
CSS custom property--colour: #0B3545;

Brightness & contrast

Relative luminance0.03047WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.05:1
Contrast with white13.05:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#F4CABA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D3446no red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#252E45no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#003A3Ano blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.05:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.6Black · ΔE 25.8Dim grey · ΔE 29Slate grey · ΔE 33.3Teal · ΔE 35.5Light slate grey · ΔE 36.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#451B0B
Analogous#0B4538, #0B1845
Triadic#450B35, #35450B
Split complementary#450B18, #45380B
Tetradic#380B45, #451B0B, #18450B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3CB3E0
Lighter +30%#209AC9
Lighter +20%#19799D
Lighter +10%#125771
Darker −10%#041319
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01394F
Less saturated −25%#15313B

Channel breakdown

R11
G53
B69
Red11 (4.3%)
Green53 (20.8%)
Blue69 (27.1%)
Hue196.55°
Saturation (HSL)72.5%
Lightness15.69%
Dominant channelBlue
Hex per channelR 0B · G 35 · B 45

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Every value on this page was computed from “0b3545” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.