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Recognised as Colour

#64283C

  • #64283C
  • Red
  • Dark
  • Nearest: Dim grey

#64283C is a red with RGB values 100, 40, 60 and HSL 340°, 43%, 27%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#64283C#64283C
HEX#64283C
RGBrgb(100, 40, 60)
RGB (0–1)0.3922, 0.1569, 0.2353
RGB percentages39.2%, 15.7%, 23.5%
HSLhsl(340, 42.9%, 27.5%)
HSV / HSBhsv(340, 60%, 39.2%)
CMYK0%, 60%, 40%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,563,900
CSS custom property--colour: #64283C;

Brightness & contrast

Relative luminance0.04553WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.99:1
Contrast with white10.99:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#9BD7C3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#32353Dno red cones; affects about 1% of men; ΔE 29.4 from the original
Deuteranopia#42413Bno green cones; the most common form, about 1% of men; ΔE 30.4 from the original
Tritanopia#6C2330no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.99:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Dim grey · ΔE 34.9Brown · ΔE 38Indian red · ΔE 38.4Pale violetred · ΔE 38.7Black · ΔE 38.8Sienna · ΔE 39.4
Nearest named CSS colourDim grey (#696969)ΔE 34.95, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#286450
Analogous#64285A, #643228
Triadic#3C6428, #283C64
Split complementary#286432, #285A64
Tetradic#5A6428, #286450, #322864

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D088A0
Lighter +30%#C16483
Lighter +20%#AD4568
Lighter +10%#883752
Darker −10%#401926
Darker −20%#1B0B10
Darker −30%#000000
Darker −40%#000000
More saturated +25%#761636
Less saturated −25%#533A42

Channel breakdown

R100
G40
B60
Red100 (39.2%)
Green40 (15.7%)
Blue60 (23.5%)
Hue340°
Saturation (HSL)42.86%
Lightness27.45%
Dominant channelRed
Hex per channelR 64 · G 28 · B 3C

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Every value on this page was computed from “64283c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.