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Recognised as Colour

#3F1418

  • #3F1418
  • Red
  • Dark
  • Nearest: Black

#3F1418 is a red with RGB values 63, 20, 24 and HSL 354°, 52%, 16%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F1418#3F1418
HEX#3F1418
RGBrgb(63, 20, 24)
RGB (0–1)0.2471, 0.0784, 0.0941
RGB percentages24.7%, 7.8%, 9.4%
HSLhsl(354.4, 51.8%, 16.3%)
HSV / HSBhsv(354.4, 68.3%, 24.7%)
CMYK0%, 68.3%, 61.9%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,133,912
CSS custom property--colour: #3F1418;

Brightness & contrast

Relative luminance0.01623WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.85:1
Contrast with white15.85:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#C0EBE7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1D18no red cones; affects about 1% of men; ΔE 22.7 from the original
Deuteranopia#292617no green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#450D16no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.85:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 26.5Dim grey · ΔE 38.6Dark slate grey · ΔE 39.5Saddle brown · ΔE 41.1Sienna · ΔE 41.8Maroon · ΔE 41.9
Nearest named CSS colourBlack (#000000)ΔE 26.5, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#143F3B
Analogous#3F142D, #3F2614
Triadic#183F14, #14183F
Split complementary#143F26, #142D3F
Tetradic#2D3F14, #143F3B, #26143F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C95660
Lighter +30%#B33944
Lighter +20%#8C2D35
Lighter +10%#662027
Darker −10%#180809
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#490A10
Less saturated −25%#351E20

Channel breakdown

R63
G20
B24
Red63 (24.7%)
Green20 (7.8%)
Blue24 (9.4%)
Hue354.42°
Saturation (HSL)51.81%
Lightness16.27%
Dominant channelRed
Hex per channelR 3F · G 14 · B 18

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Every value on this page was computed from “3f1418” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.