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Recognised as Colour

#09223A

  • #09223A
  • Blue
  • Dark
  • Nearest: Black

#09223A is a blue with RGB values 9, 34, 58 and HSL 209°, 73%, 13%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#09223A#09223A
HEX#09223A
RGBrgb(9, 34, 58)
RGB (0–1)0.0353, 0.1333, 0.2275
RGB percentages3.5%, 13.3%, 22.7%
HSLhsl(209.4, 73.1%, 13.1%)
HSV / HSBhsv(209.4, 84.5%, 22.7%)
CMYK84.5%, 41.4%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer598,586
CSS custom property--colour: #09223A;

Brightness & contrast

Relative luminance0.01508WCAG 2.x, 0 is black and 1 is white
Perceived brightness33 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.13:1
Contrast with white16.13:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#F6DDC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#17233Bno red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#101F3Ano green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#00282Bno blue cones; rare, and affects men and women equally; ΔE 17.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.13:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 22.2Dark slate grey · ΔE 26.6Dim grey · ΔE 36.6Dark slateblue · ΔE 39.4Slate grey · ΔE 41Steel blue · ΔE 42.4
Nearest named CSS colourBlack (#000000)ΔE 22.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A2109
Analogous#093A3A, #09093A
Triadic#3A0922, #223A09
Split complementary#3A0909, #3A3A09
Tetradic#3A093A, #3A2109, #093A09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3089DF
Lighter +30%#1E70BE
Lighter +20%#175692
Lighter +10%#103C66
Darker −10%#02080E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#012242
Less saturated −25%#112232

Channel breakdown

R9
G34
B58
Red9 (3.5%)
Green34 (13.3%)
Blue58 (22.7%)
Hue209.39°
Saturation (HSL)73.13%
Lightness13.14%
Dominant channelBlue
Hex per channelR 09 · G 22 · B 3A

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Every value on this page was computed from “09223a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.