Colour

#6B001A

#6B001A
Red
Dark
Nearest: Maroon

#6B001A is a red with RGB values 107, 0, 26 and HSL 345°, 100%, 21%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#6B001A#6B001A

HEX#6B001A

RGBrgb(107, 0, 26)

RGB (0–1)0.4196, 0, 0.102

RGB percentages42%, 0%, 10.2%

HSLhsl(345.4, 100%, 21%)

HSV / HSBhsv(345.4, 100%, 42%)

CMYK0%, 100%, 75.7%, 58%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,012,378

CSS custom property--colour: #6B001A;

Brightness & contrast

Relative luminance0.032WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.8:1

Contrast with white12.8:1WCAG normal text: AAA

Contrast with black1.64:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#94FFE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#27241Ano red cones; affects about 1% of men; ΔE 45.6 from the original

Deuteranopia#403A16no green cones; the most common form, about 1% of men; ΔE 46.3 from the original

Tritanopia#76000Cno blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

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

Contrast with white, large text12.8:1WCAG large text: AAA

Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Maroon · ΔE 21 Brown · ΔE 21.8 Dark red · ΔE 25.5 Firebrick · ΔE 29.6 Sienna · ΔE 31.9 Saddle brown · ΔE 32.7

Nearest named CSS colourMaroon (#800000)ΔE 21.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006B51

Analogous#6B0050, #6B1C00

Triadic#1A6B00, #001A6B

Split complementary#006B1C, #004F6B

Tetradic#4F6B00, #006B51, #1B006B

Tints, shades & saturation

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

Lighter +40%#FF3868

Lighter +30%#FF0542

Lighter +20%#D10033

Lighter +10%#9E0026

Darker −10%#38000E

Darker −20%#050001

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6B001A

Less saturated −25%#5E0D21

Channel breakdown

R107

B26

Red107 (42%)

Green0 (0%)

Blue26 (10.2%)

Hue345.42°

Saturation (HSL)100%

Lightness20.98%

Dominant channelRed

Hex per channelR 6B · G 00 · B 1A

Keep nerding

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#6B001A

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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