Colour

#64121F

#64121F
Red
Dark
Nearest: Brown

#64121F is a red with RGB values 100, 18, 31 and HSL 350°, 69%, 23%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#64121F#64121F

HEX#64121F

RGBrgb(100, 18, 31)

RGB (0–1)0.3922, 0.0706, 0.1216

RGB percentages39.2%, 7.1%, 12.2%

HSLhsl(350.5, 69.5%, 23.1%)

HSV / HSBhsv(350.5, 82%, 39.2%)

CMYK0%, 82%, 69%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,558,239

CSS custom property--colour: #64121F;

Brightness & contrast

Relative luminance0.03241WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.74:1

Contrast with white12.74:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#9BEDE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2A271Fno red cones; affects about 1% of men; ΔE 38.2 from the original

Deuteranopia#3E391Dno green cones; the most common form, about 1% of men; ΔE 39.3 from the original

Tritanopia#6E0018no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text12.74:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Brown · ΔE 26.5 Maroon · ΔE 26.6 Dark red · ΔE 31.2 Sienna · ΔE 31.9 Saddle brown · ΔE 32.7 Indian red · ΔE 34.3

Nearest named CSS colourBrown (#A52A2A)ΔE 26.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#126457

Analogous#641248, #642E12

Triadic#1F6412, #121F64

Split complementary#12642E, #124864

Tetradic#486412, #126457, #2E1264

Tints, shades & saturation

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

Lighter +40%#E26074

Lighter +30%#DB344F

Lighter +20%#BA223A

Lighter +10%#8F1A2C

Darker −10%#390A12

Darker −20%#0E0204

Darker −30%#000000

Darker −40%#000000

More saturated +25%#730315

Less saturated −25%#552129

Channel breakdown

R100

G18

B31

Red100 (39.2%)

Green18 (7.1%)

Blue31 (12.2%)

Hue350.49°

Saturation (HSL)69.49%

Lightness23.14%

Dominant channelRed

Hex per channelR 64 · G 12 · B 1F

Keep nerding

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#64121F

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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