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Recognised as Colour

#19040D

  • #19040D
  • Red
  • Dark
  • Nearest: Black

#19040D is a red with RGB values 25, 4, 13 and HSL 334°, 72%, 6%. It is a dark colour, so white text on it reaches 19.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#19040D#19040D
HEX#19040D
RGBrgb(25, 4, 13)
RGB (0–1)0.098, 0.0157, 0.051
RGB percentages9.8%, 1.6%, 5.1%
HSLhsl(334.3, 72.4%, 5.7%)
HSV / HSBhsv(334.3, 84%, 9.8%)
CMYK0%, 84%, 48%, 90.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,639,437
CSS custom property--colour: #19040D;

Brightness & contrast

Relative luminance0.00323WCAG 2.x, 0 is black and 1 is white
Perceived brightness14.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.73:1
Contrast with white19.73:1WCAG normal text: AAA
Contrast with black1.06:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#E6FBF2

Colour vision & accessibility

Protanopia#06080Dno red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#0C0C0Cno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#1C0307no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.73:1WCAG large text: AAA
Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 9.14, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#041910
Analogous#190418, #190504
Triadic#0D1904, #040D19
Split complementary#041905, #041819
Tetradic#181904, #041910, #050419

Tints, shades & saturation

Lighter +40%#C92068
Lighter +30%#9D1952
Lighter +20%#71123B
Lighter +10%#450B24
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D000C
Less saturated −25%#15080E

Channel breakdown

R25
G4
B13
Red25 (9.8%)
Green4 (1.6%)
Blue13 (5.1%)
Hue334.29°
Saturation (HSL)72.41%
Lightness5.69%
Dominant channelRed
Hex per channelR 19 · G 04 · B 0D

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Every value on this page was computed from “19040d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.