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Recognised as Colour

#09015B

  • #09015B
  • Blue
  • Dark
  • Nearest: Midnight blue

#09015B is a blue with RGB values 9, 1, 91 and HSL 245°, 98%, 18%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#09015B#09015B
HEX#09015B
RGBrgb(9, 1, 91)
RGB (0–1)0.0353, 0.0039, 0.3569
RGB percentages3.5%, 0.4%, 35.7%
HSLhsl(245.3, 97.8%, 18%)
HSV / HSBhsv(245.3, 98.9%, 35.7%)
CMYK90.1%, 98.9%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer590,171
CSS custom property--colour: #09015B;

Brightness & contrast

Relative luminance0.00835WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.99:1
Contrast with white17.99:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#F6FEA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001B5Dno red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#00125Ano green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#002132no blue cones; rare, and affects men and women equally; ΔE 54.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.99:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.8Navy · ΔE 19.4Indigo · ΔE 20.1Dark blue · ΔE 24.6Rebecca purple · ΔE 26.2Dark slateblue · ΔE 26.7
Nearest named CSS colourMidnight blue (#191970)ΔE 9.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#535B01
Analogous#01265B, #36015B
Triadic#5B0901, #015B09
Split complementary#5B3601, #265B01
Tetradic#5B0126, #535B01, #015B36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E2BFD
Lighter +30%#1803F2
Lighter +20%#1302C0
Lighter +10%#0E028D
Darker −10%#040029
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#08005C
Less saturated −25%#120C50

Channel breakdown

R9
G1
B91
Red9 (3.5%)
Green1 (0.4%)
Blue91 (35.7%)
Hue245.33°
Saturation (HSL)97.83%
Lightness18.04%
Dominant channelBlue
Hex per channelR 09 · G 01 · B 5B

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Every value on this page was computed from “09015b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.