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Recognised as Colour

#503F41

  • #503F41
  • Red
  • Dark
  • Nearest: Dim grey

#503F41 is a red with RGB values 80, 63, 65 and HSL 353°, 12%, 28%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#503F41#503F41
HEX#503F41
RGBrgb(80, 63, 65)
RGB (0–1)0.3137, 0.2471, 0.2549
RGB percentages31.4%, 24.7%, 25.5%
HSLhsl(352.9, 11.9%, 28%)
HSV / HSBhsv(352.9, 21.2%, 31.4%)
CMYK0%, 21.2%, 18.8%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,259,073
CSS custom property--colour: #503F41;

Brightness & contrast

Relative luminance0.05642WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.87:1
Contrast with white9.87:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#AFC0BE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#424141no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#454441no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#533E40no blue cones; rare, and affects men and women equally; ΔE 1.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.87:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Dim grey · ΔE 17.8Dark slate grey · ΔE 20.4Gray · ΔE 26.3Slate grey · ΔE 29Black · ΔE 29.6Light slate grey · ΔE 31.8
Nearest named CSS colourDim grey (#696969)ΔE 17.78, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F504E
Analogous#503F49, #50463F
Triadic#41503F, #3F4150
Split complementary#3F5046, #3F4950
Tetradic#4A503F, #3F504E, #463F50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7A4A6
Lighter +30%#A1878A
Lighter +20%#896C6F
Lighter +10%#6D5558
Darker −10%#33292A
Darker −20%#171213
Darker −30%#000000
Darker −40%#000000
More saturated +25%#622D33
Less saturated −25%#484848

Channel breakdown

R80
G63
B65
Red80 (31.4%)
Green63 (24.7%)
Blue65 (25.5%)
Hue352.94°
Saturation (HSL)11.89%
Lightness28.04%
Dominant channelRed
Hex per channelR 50 · G 3F · B 41

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Every value on this page was computed from “503f41” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.