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Recognised as Colour

#0B1A2F

  • #0B1A2F
  • Blue
  • Dark
  • Nearest: Black

#0B1A2F is a blue with RGB values 11, 26, 47 and HSL 215°, 62%, 11%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B1A2F#0B1A2F
HEX#0B1A2F
RGBrgb(11, 26, 47)
RGB (0–1)0.0431, 0.102, 0.1843
RGB percentages4.3%, 10.2%, 18.4%
HSLhsl(215, 62.1%, 11.4%)
HSV / HSBhsv(215, 76.6%, 18.4%)
CMYK76.6%, 44.7%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer727,599
CSS custom property--colour: #0B1A2F;

Brightness & contrast

Relative luminance0.01015WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.46:1
Contrast with white17.46:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#F4E5D0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#111C30no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#0C182Fno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#001F22no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.46:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 18.5Dark slate grey · ΔE 28.8Dim grey · ΔE 38.8Dark slateblue · ΔE 41.6Slate grey · ΔE 44.2Midnight blue · ΔE 45.4
Nearest named CSS colourBlack (#000000)ΔE 18.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F200B
Analogous#0B2C2F, #0E0B2F
Triadic#2F0B1A, #1A2F0B
Split complementary#2F0E0B, #2C2F0B
Tetradic#2F0B2C, #2F200B, #0B2F0E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3676D0
Lighter +30%#285FAB
Lighter +20%#1E4882
Lighter +10%#153158
Darker −10%#010306
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#041936
Less saturated −25%#121B28

Channel breakdown

R11
G26
B47
Red11 (4.3%)
Green26 (10.2%)
Blue47 (18.4%)
Hue215°
Saturation (HSL)62.07%
Lightness11.37%
Dominant channelBlue
Hex per channelR 0B · G 1A · B 2F

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Every value on this page was computed from “0b1a2f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.