Recognised as Colour

#64040E

#64040E
Red
Dark
Nearest: Maroon

#64040E is a red with RGB values 100, 4, 14 and HSL 354°, 92%, 20%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#64040E#64040E

HEX#64040E

RGBrgb(100, 4, 14)

RGB (0–1)0.3922, 0.0157, 0.0549

RGB percentages39.2%, 1.6%, 5.5%

HSLhsl(353.8, 92.3%, 20.4%)

HSV / HSBhsv(353.8, 96%, 39.2%)

CMYK0%, 96%, 86%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,554,638

CSS custom property--colour: #64040E;

Brightness & contrast

Relative luminance0.02828WCAG 2.x, 0 is black and 1 is white

Perceived brightness55 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.41:1

Contrast with white13.41:1WCAG normal text: AAA

Contrast with black1.57:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#9BFBF1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#26220Dno red cones; affects about 1% of men; ΔE 43 from the original

Deuteranopia#3D3609no green cones; the most common form, about 1% of men; ΔE 42.8 from the original

Tritanopia#6F0009no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original

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

Contrast with white, large text13.41:1WCAG large text: AAA

Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Maroon · ΔE 17.8 Brown · ΔE 21.9 Dark red · ΔE 22.7 Saddle brown · ΔE 28.3 Sienna · ΔE 29.1 Firebrick · ΔE 29.2

Nearest named CSS colourMaroon (#800000)ΔE 17.8, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04645A

Analogous#64043E, #642A04

Triadic#0E6404, #040E64

Split complementary#04642A, #043E64

Tetradic#3E6404, #04645A, #2A0464

Tints, shades & saturation

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

Lighter +40%#F73D50

Lighter +30%#F50C24

Lighter +20%#C6081C

Lighter +10%#950615

Darker −10%#330207

Darker −20%#020000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#68000B

Less saturated −25%#571118

Channel breakdown

R100

B14

Red100 (39.2%)

Green4 (1.6%)

Blue14 (5.5%)

Hue353.75°

Saturation (HSL)92.31%

Lightness20.39%

Dominant channelRed

Hex per channelR 64 · G 04 · B 0E

Keep nerding

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#64040E

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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