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Recognised as Colour

#0A091F

  • #0A091F
  • Blue
  • Dark
  • Nearest: Black

#0A091F is a blue with RGB values 10, 9, 31 and HSL 243°, 55%, 8%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A091F#0A091F
HEX#0A091F
RGBrgb(10, 9, 31)
RGB (0–1)0.0392, 0.0353, 0.1216
RGB percentages3.9%, 3.5%, 12.2%
HSLhsl(242.7, 55%, 7.8%)
HSV / HSBhsv(242.7, 71%, 12.2%)
CMYK67.7%, 71%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer657,695
CSS custom property--colour: #0A091F;

Brightness & contrast

Relative luminance0.00359WCAG 2.x, 0 is black and 1 is white
Perceived brightness13.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.59:1
Contrast with white19.59:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#F5F6E0

Colour vision & accessibility

Protanopia#020D20no red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#010B1Fno green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#040E12no blue cones; rare, and affects men and women equally; ΔE 12.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.59:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 14.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1E1F09
Analogous#09131F, #15091F
Triadic#1F0A09, #091F0A
Split complementary#1F1509, #131F09
Tetradic#1F0913, #1E1F09, #091F15

Tints, shades & saturation

Lighter +40%#3D37BD
Lighter +30%#302B96
Lighter +20%#24206E
Lighter +10%#171447
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#050424
Less saturated −25%#0F0E1A

Channel breakdown

R10
G9
B31
Red10 (3.9%)
Green9 (3.5%)
Blue31 (12.2%)
Hue242.73°
Saturation (HSL)55%
Lightness7.84%
Dominant channelBlue
Hex per channelR 0A · G 09 · B 1F

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Every value on this page was computed from “0a091f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.