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Recognised as Colour

#4F182D

  • #4F182D
  • Red
  • Dark
  • Nearest: Black

#4F182D is a red with RGB values 79, 24, 45 and HSL 337°, 53%, 20%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4F182D#4F182D
HEX#4F182D
RGBrgb(79, 24, 45)
RGB (0–1)0.3098, 0.0941, 0.1765
RGB percentages31%, 9.4%, 17.6%
HSLhsl(337.1, 53.4%, 20.2%)
HSV / HSBhsv(337.1, 69.6%, 31%)
CMYK0%, 69.6%, 43%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,183,533
CSS custom property--colour: #4F182D;

Brightness & contrast

Relative luminance0.02505WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.99:1
Contrast with white13.99:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#B0E7D2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#22252Eno red cones; affects about 1% of men; ΔE 27.7 from the original
Deuteranopia#31302Cno green cones; the most common form, about 1% of men; ΔE 28.6 from the original
Tritanopia#561220no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.99:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Black · ΔE 33.2Dim grey · ΔE 38.5Dark slate grey · ΔE 42Brown · ΔE 42.4Maroon · ΔE 43.9Dark slateblue · ΔE 43.9
Nearest named CSS colourBlack (#000000)ΔE 33.23, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#184F3A
Analogous#4F1849, #4F1E18
Triadic#2D4F18, #182D4F
Split complementary#184F1E, #18494F
Tetradic#494F18, #184F3A, #1E184F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0638D
Lighter +30%#C43C70
Lighter +20%#9D305A
Lighter +10%#762443
Darker −10%#280C17
Darker −20%#010000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5C0B2A
Less saturated −25%#422530

Channel breakdown

R79
G24
B45
Red79 (31%)
Green24 (9.4%)
Blue45 (17.6%)
Hue337.09°
Saturation (HSL)53.4%
Lightness20.2%
Dominant channelRed
Hex per channelR 4F · G 18 · B 2D

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Every value on this page was computed from “4f182d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.