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Recognised as Colour

#3A0D04

  • #3A0D04
  • Red
  • Dark
  • Nearest: Black

#3A0D04 is a red with RGB values 58, 13, 4 and HSL 10°, 87%, 12%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3A0D04#3A0D04
HEX#3A0D04
RGBrgb(58, 13, 4)
RGB (0–1)0.2275, 0.051, 0.0157
RGB percentages22.7%, 5.1%, 1.6%
HSLhsl(10, 87.1%, 12.2%)
HSV / HSBhsv(10, 93.1%, 22.7%)
CMYK0%, 77.6%, 93.1%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,804,420
CSS custom property--colour: #3A0D04;

Brightness & contrast

Relative luminance0.01196WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.95:1
Contrast with white16.95:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#C5F2FB

Colour vision & accessibility

Protanopia#1A1603no red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#252003no green cones; the most common form, about 1% of men; ΔE 23.7 from the original
Tritanopia#41020Bno blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.95:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 28.15, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#04313A
Analogous#3A0416, #3A2804
Triadic#043A0D, #0D043A
Split complementary#043A28, #04163A
Tetradic#163A04, #04313A, #28043A

Tints, shades & saturation

Lighter +40%#EF3E1B
Lighter +30%#C92D0E
Lighter +20%#99220B
Lighter +10%#6A1807
Darker −10%#0A0201
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3E0A00
Less saturated −25%#32120C

Channel breakdown

R58
G13
B4
Red58 (22.7%)
Green13 (5.1%)
Blue4 (1.6%)
Hue10°
Saturation (HSL)87.1%
Lightness12.16%
Dominant channelRed
Hex per channelR 3A · G 0D · B 04

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Every value on this page was computed from “3a0d04” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.