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Recognised as Colour

#081B33

  • #081B33
  • Blue
  • Dark
  • Nearest: Black

#081B33 is a blue with RGB values 8, 27, 51 and HSL 213°, 73%, 12%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#081B33#081B33
HEX#081B33
RGBrgb(8, 27, 51)
RGB (0–1)0.0314, 0.1059, 0.2
RGB percentages3.1%, 10.6%, 20%
HSLhsl(213.5, 72.9%, 11.6%)
HSV / HSBhsv(213.5, 84.3%, 20%)
CMYK84.3%, 47.1%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer531,251
CSS custom property--colour: #081B33;

Brightness & contrast

Relative luminance0.01075WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.29:1
Contrast with white17.29:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#F7E4CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#101D34no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#091933no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#002124no blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.29:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 20.6Dark slate grey · ΔE 29.6Dim grey · ΔE 39.3Dark slateblue · ΔE 39.8Midnight blue · ΔE 43.5Slate grey · ΔE 44.1
Nearest named CSS colourBlack (#000000)ΔE 20.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#332008
Analogous#083033, #0B0833
Triadic#33081B, #1B3308
Split complementary#330B08, #303308
Tetradic#330830, #332008, #08330B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2979DE
Lighter +30%#1D61B7
Lighter +20%#164A8B
Lighter +10%#0F325F
Darker −10%#010407
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#011A3A
Less saturated −25%#0F1C2C

Channel breakdown

R8
G27
B51
Red8 (3.1%)
Green27 (10.6%)
Blue51 (20%)
Hue213.49°
Saturation (HSL)72.88%
Lightness11.57%
Dominant channelBlue
Hex per channelR 08 · G 1B · B 33

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Every value on this page was computed from “081b33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.