Colour

#640C13

#640C13
Red
Dark
Nearest: Maroon

#640C13 is a red with RGB values 100, 12, 19 and HSL 355°, 79%, 22%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#640C13#640C13

HEX#640C13

RGBrgb(100, 12, 19)

RGB (0–1)0.3922, 0.0471, 0.0745

RGB percentages39.2%, 4.7%, 7.5%

HSLhsl(355.2, 78.6%, 22%)

HSV / HSBhsv(355.2, 88%, 39.2%)

CMYK0%, 88%, 81%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,556,691

CSS custom property--colour: #640C13;

Brightness & contrast

Relative luminance0.03019WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.09:1

Contrast with white13.09:1WCAG normal text: AAA

Contrast with black1.6:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#9BF3EC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#292512no red cones; affects about 1% of men; ΔE 40.6 from the original

Deuteranopia#3E370Fno green cones; the most common form, about 1% of men; ΔE 40.6 from the original

Tritanopia#6F0010no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

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

Contrast with white, large text13.09:1WCAG large text: AAA

Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Maroon · ΔE 20.1 Brown · ΔE 22.9 Dark red · ΔE 25 Saddle brown · ΔE 28.3 Sienna · ΔE 28.7 Firebrick · ΔE 30.7

Nearest named CSS colourMaroon (#800000)ΔE 20.08, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C645D

Analogous#640C3F, #64310C

Triadic#13640C, #0C1364

Split complementary#0C6431, #0C3F64

Tetradic#3F640C, #0C645D, #310C64

Tints, shades & saturation

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

Lighter +40%#EA525E

Lighter +30%#E52434

Lighter +20%#BF1724

Lighter +10%#92111C

Darker −10%#36070A

Darker −20%#090102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#700009

Less saturated −25%#561A1F

Channel breakdown

R100

G12

B19

Red100 (39.2%)

Green12 (4.7%)

Blue19 (7.5%)

Hue355.23°

Saturation (HSL)78.57%

Lightness21.96%

Dominant channelRed

Hex per channelR 64 · G 0C · B 13

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#640C13

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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