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Recognised as Colour

#603F3D

  • #603F3D
  • Red
  • Dark
  • Nearest: Dim grey

#603F3D is a red with RGB values 96, 63, 61 and HSL 3°, 22%, 31%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#603F3D#603F3D
HEX#603F3D
RGBrgb(96, 63, 61)
RGB (0–1)0.3765, 0.2471, 0.2392
RGB percentages37.6%, 24.7%, 23.9%
HSLhsl(3.4, 22.3%, 30.8%)
HSV / HSBhsv(3.4, 36.5%, 37.6%)
CMYK0%, 34.4%, 36.5%, 62.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,307,645
CSS custom property--colour: #603F3D;

Brightness & contrast

Relative luminance0.06379WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.23:1
Contrast with white9.23:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#9FC0C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#46443Dno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#4D4A3Dno green cones; the most common form, about 1% of men; ΔE 15.5 from the original
Tritanopia#673B3Fno 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 text9.23:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Dim grey · ΔE 21.2Dark slate grey · ΔE 28Gray · ΔE 28.1Slate grey · ΔE 32.9Rosy brown · ΔE 33.4Black · ΔE 34.2
Nearest named CSS colourDim grey (#696969)ΔE 21.17, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D5E60
Analogous#603D4C, #60513D
Triadic#3D603F, #3F3D60
Split complementary#3D6051, #3D4D60
Tetradic#4D603D, #3D5E60, #513D60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5A6A4
Lighter +30%#B18785
Lighter +20%#9D6966
Lighter +10%#7F5351
Darker −10%#412B29
Darker −20%#221615
Darker −30%#020202
Darker −40%#000000
More saturated +25%#742E29
Less saturated −25%#4F4F4F

Channel breakdown

R96
G63
B61
Red96 (37.6%)
Green63 (24.7%)
Blue61 (23.9%)
Hue3.43°
Saturation (HSL)22.29%
Lightness30.78%
Dominant channelRed
Hex per channelR 60 · G 3F · B 3D

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Every value on this page was computed from “603f3d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.