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Recognised as Colour

#39041B

  • #39041B
  • Red
  • Dark
  • Nearest: Black

#39041B is a red with RGB values 57, 4, 27 and HSL 334°, 87%, 12%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#39041B#39041B
HEX#39041B
RGBrgb(57, 4, 27)
RGB (0–1)0.2235, 0.0157, 0.1059
RGB percentages22.4%, 1.6%, 10.6%
HSLhsl(334, 86.9%, 12%)
HSV / HSBhsv(334, 93%, 22.4%)
CMYK0%, 93%, 52.6%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,736,603
CSS custom property--colour: #39041B;

Brightness & contrast

Relative luminance0.01036WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.4:1
Contrast with white17.4:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#C6FBE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#10131Cno red cones; affects about 1% of men; ΔE 27.2 from the original
Deuteranopia#1F1E1Ano green cones; the most common form, about 1% of men; ΔE 28.1 from the original
Tritanopia#3F000Eno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.4:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 28.9Dim grey · ΔE 44.5Dark slate grey · ΔE 45Maroon · ΔE 46.3Dark slateblue · ΔE 47.2Brown · ΔE 47.3
Nearest named CSS colourBlack (#000000)ΔE 28.91, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#043922
Analogous#390436, #390704
Triadic#1B3904, #041B39
Split complementary#043907, #043639
Tetradic#363904, #043922, #070439

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EF1A76
Lighter +30%#C80E5F
Lighter +20%#980B48
Lighter +10%#690732
Darker −10%#090104
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D001A
Less saturated −25%#310C1C

Channel breakdown

R57
G4
B27
Red57 (22.4%)
Green4 (1.6%)
Blue27 (10.6%)
Hue333.96°
Saturation (HSL)86.89%
Lightness11.96%
Dominant channelRed
Hex per channelR 39 · G 04 · B 1B

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Every value on this page was computed from “39041b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.