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Recognised as Colour

#09012A

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

#09012A is a blue with RGB values 9, 1, 42 and HSL 252°, 95%, 8%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#09012A#09012A
HEX#09012A
RGBrgb(9, 1, 42)
RGB (0–1)0.0353, 0.0039, 0.1647
RGB percentages3.5%, 0.4%, 16.5%
HSLhsl(251.7, 95.3%, 8.4%)
HSV / HSBhsv(251.7, 97.6%, 16.5%)
CMYK78.6%, 97.6%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer590,122
CSS custom property--colour: #09012A;

Brightness & contrast

Relative luminance0.00247WCAG 2.x, 0 is black and 1 is white
Perceived brightness15 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.01:1
Contrast with white20.01:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#060606
Inverted#F6FED5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00092Bno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#000729no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#000B15no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.01:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 26.4Midnight blue · ΔE 35.4Dark slateblue · ΔE 36.9Dark slate grey · ΔE 42.5Rebecca purple · ΔE 49.4Dim grey · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 26.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#222A01
Analogous#010D2A, #1E012A
Triadic#2A0901, #012A09
Split complementary#2A1E01, #0D2A01
Tetradic#2A010D, #222A01, #012A1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3406F1
Lighter +30%#2905BF
Lighter +20%#1E038E
Lighter +10%#14025C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#08002B
Less saturated −25%#0C0625

Channel breakdown

R9
G1
B42
Red9 (3.5%)
Green1 (0.4%)
Blue42 (16.5%)
Hue251.71°
Saturation (HSL)95.35%
Lightness8.43%
Dominant channelBlue
Hex per channelR 09 · G 01 · B 2A

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