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Recognised as Colour

#3D121D

  • #3D121D
  • Red
  • Dark
  • Nearest: Black

#3D121D is a red with RGB values 61, 18, 29 and HSL 345°, 54%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3D121D#3D121D
HEX#3D121D
RGBrgb(61, 18, 29)
RGB (0–1)0.2392, 0.0706, 0.1137
RGB percentages23.9%, 7.1%, 11.4%
HSLhsl(344.7, 54.4%, 15.5%)
HSV / HSBhsv(344.7, 70.5%, 23.9%)
CMYK0%, 70.5%, 52.5%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,002,333
CSS custom property--colour: #3D121D;

Brightness & contrast

Relative luminance0.01513WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.12:1
Contrast with white16.12:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#C2EDE2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B1C1Dno red cones; affects about 1% of men; ΔE 23 from the original
Deuteranopia#26241Cno green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#430C16no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.12:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 25.8Dim grey · ΔE 38.9Dark slate grey · ΔE 39.4Maroon · ΔE 45.1Saddle brown · ΔE 45.2Sienna · ΔE 45.3
Nearest named CSS colourBlack (#000000)ΔE 25.83, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#123D32
Analogous#3D1232, #3D1D12
Triadic#1D3D12, #121D3D
Split complementary#123D1D, #12323D
Tetradic#323D12, #123D32, #1D123D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CB506F
Lighter +30%#B33555
Lighter +20%#8C2942
Lighter +10%#641E30
Darker −10%#16060A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#470818
Less saturated −25%#331C22

Channel breakdown

R61
G18
B29
Red61 (23.9%)
Green18 (7.1%)
Blue29 (11.4%)
Hue344.65°
Saturation (HSL)54.43%
Lightness15.49%
Dominant channelRed
Hex per channelR 3D · G 12 · B 1D

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Every value on this page was computed from “3d121d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.