Recognised as Colour

#64282D

#64282D
Red
Dark
Nearest: Sienna

#64282D is a red with RGB values 100, 40, 45 and HSL 355°, 43%, 27%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#64282D#64282D

HEX#64282D

RGBrgb(100, 40, 45)

RGB (0–1)0.3922, 0.1569, 0.1765

RGB percentages39.2%, 15.7%, 17.6%

HSLhsl(355, 42.9%, 27.5%)

HSV / HSBhsv(355, 60%, 39.2%)

CMYK0%, 60%, 55%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,563,885

CSS custom property--colour: #64282D;

Brightness & contrast

Relative luminance0.04416WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.15:1

Contrast with white11.15:1WCAG normal text: AAA

Contrast with black1.88:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#9BD7D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#36342Dno red cones; affects about 1% of men; ΔE 29 from the original

Deuteranopia#45402Cno green cones; the most common form, about 1% of men; ΔE 29.3 from the original

Tritanopia#6D1F2Ano blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text11.15:1WCAG large text: AAA

Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Sienna · ΔE 31.6 Brown · ΔE 32.4 Saddle brown · ΔE 33.1 Maroon · ΔE 34.4 Indian red · ΔE 35.2 Dim grey · ΔE 35.3

Nearest named CSS colourSienna (#A0522D)ΔE 31.56, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#28645F

Analogous#64284B, #644128

Triadic#2D6428, #282D64

Split complementary#286441, #284B64

Tetradic#4B6428, #28645F, #412864

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D0888E

Lighter +30%#C1646C

Lighter +20%#AD454E

Lighter +10%#88373D

Darker −10%#40191D

Darker −20%#1B0B0C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#76161E

Less saturated −25%#533A3C

Channel breakdown

R100

G40

B45

Red100 (39.2%)

Green40 (15.7%)

Blue45 (17.6%)

Hue355°

Saturation (HSL)42.86%

Lightness27.45%

Dominant channelRed

Hex per channelR 64 · G 28 · B 2D

Keep nerding

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#64282D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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