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Recognised as Colour

#09012D

  • #09012D
  • Blue
  • Dark
  • Nearest: Black

#09012D is a blue with RGB values 9, 1, 45 and HSL 251°, 96%, 9%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#09012D#09012D
HEX#09012D
RGBrgb(9, 1, 45)
RGB (0–1)0.0353, 0.0039, 0.1765
RGB percentages3.5%, 0.4%, 17.6%
HSLhsl(250.9, 95.7%, 9%)
HSV / HSBhsv(250.9, 97.8%, 17.6%)
CMYK80%, 97.8%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer590,125
CSS custom property--colour: #09012D;

Brightness & contrast

Relative luminance0.00269WCAG 2.x, 0 is black and 1 is white
Perceived brightness16 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.93:1
Contrast with white19.93:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#060606
Inverted#F6FED2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000A2Eno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#00072Cno green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#000D16no blue cones; rare, and affects men and women equally; ΔE 24.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.93:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 28.8Midnight blue · ΔE 33.1Dark slateblue · ΔE 35.2Dark slate grey · ΔE 44.1Rebecca purple · ΔE 47.4Indigo · ΔE 50.4
Nearest named CSS colourBlack (#000000)ΔE 28.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#252D01
Analogous#010F2D, #1F012D
Triadic#2D0901, #012D09
Split complementary#2D1F01, #0F2D01
Tetradic#2D010F, #252D01, #012D1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3105F5
Lighter +30%#2704C3
Lighter +20%#1D0391
Lighter +10%#13025F
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#08002E
Less saturated −25%#0D0727

Channel breakdown

R9
G1
B45
Red9 (3.5%)
Green1 (0.4%)
Blue45 (17.6%)
Hue250.91°
Saturation (HSL)95.65%
Lightness9.02%
Dominant channelBlue
Hex per channelR 09 · G 01 · B 2D

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Every value on this page was computed from “09012d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.