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Recognised as Colour

#0901AC

  • #0901AC
  • Blue
  • Dark
  • Nearest: Dark blue

#0901AC is a blue with RGB values 9, 1, 172 and HSL 243°, 99%, 34%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0901AC#0901AC
HEX#0901AC
RGBrgb(9, 1, 172)
RGB (0–1)0.0353, 0.0039, 0.6745
RGB percentages3.5%, 0.4%, 67.5%
HSLhsl(242.8, 98.8%, 33.9%)
HSV / HSBhsv(242.8, 99.4%, 67.5%)
CMYK94.8%, 99.4%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer590,252
CSS custom property--colour: #0901AC;

Brightness & contrast

Relative luminance0.03058WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.03:1
Contrast with white13.03:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#F6FE53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0039B0no red cones; affects about 1% of men; ΔE 29.5 from the original
Deuteranopia#0027AAno green cones; the most common form, about 1% of men; ΔE 18.5 from the original
Tritanopia#004663no blue cones; rare, and affects men and women equally; ΔE 87.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.03:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.9Medium blue · ΔE 15.2Navy · ΔE 20.2Blue violet · ΔE 25.1Indigo · ΔE 27.4Dark violet · ΔE 27.7
Nearest named CSS colourDark blue (#00008B)ΔE 14.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4AC01
Analogous#014FAC, #5E01AC
Triadic#AC0901, #01AC09
Split complementary#AC5E01, #4FAC01
Tetradic#AC014F, #A4AC01, #01AC5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#817BFE
Lighter +30%#5148FE
Lighter +20%#2015FE
Lighter +10%#0C01DF
Darker −10%#060179
Darker −20%#040047
Darker −30%#010014
Darker −40%#000000
More saturated +25%#0800AD
Less saturated −25%#1D1796

Channel breakdown

R9
G1
B172
Red9 (3.5%)
Green1 (0.4%)
Blue172 (67.5%)
Hue242.81°
Saturation (HSL)98.84%
Lightness33.92%
Dominant channelBlue
Hex per channelR 09 · G 01 · B AC

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Every value on this page was computed from “0901ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.