Colour

#6B031A

#6B031A
Red
Dark
Nearest: Maroon

#6B031A is a red with RGB values 107, 3, 26 and HSL 347°, 95%, 22%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#6B031A#6B031A

HEX#6B031A

RGBrgb(107, 3, 26)

RGB (0–1)0.4196, 0.0118, 0.102

RGB percentages42%, 1.2%, 10.2%

HSLhsl(346.7, 94.5%, 21.6%)

HSV / HSBhsv(346.7, 97.2%, 42%)

CMYK0%, 97.2%, 75.7%, 58%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,013,146

CSS custom property--colour: #6B031A;

Brightness & contrast

Relative luminance0.03266WCAG 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 12.7:1

Contrast with white12.7:1WCAG normal text: AAA

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

Greyscale equivalent#1B1B1B

Inverted#94FCE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#28251Ano red cones; affects about 1% of men; ΔE 45 from the original

Deuteranopia#413A17no green cones; the most common form, about 1% of men; ΔE 44.9 from the original

Tritanopia#76000Eno blue cones; rare, and affects men and women equally; ΔE 11.4 from the original

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

Contrast with white, large text12.7:1WCAG large text: AAA

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

Named colours

Maroon · ΔE 20.9 Brown · ΔE 21.7 Dark red · ΔE 25.4 Firebrick · ΔE 29.6 Sienna · ΔE 31.3 Saddle brown · ΔE 32

Nearest named CSS colourMaroon (#800000)ΔE 20.86, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#036B54

Analogous#6B034E, #6B2003

Triadic#1A6B03, #031A6B

Split complementary#036B20, #034E6B

Tetradic#4E6B03, #036B54, #20036B

Tints, shades & saturation

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

Lighter +40%#FA4069

Lighter +30%#F80F42

Lighter +20%#CE0632

Lighter +10%#9D0426

Darker −10%#39020E

Darker −20%#080002

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6E0018

Less saturated −25%#5D1122

Channel breakdown

R107

B26

Red107 (42%)

Green3 (1.2%)

Blue26 (10.2%)

Hue346.73°

Saturation (HSL)94.55%

Lightness21.57%

Dominant channelRed

Hex per channelR 6B · G 03 · B 1A

Keep nerding

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#6B031A

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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