Colour

#6B002B

#6B002B
Red
Dark
Nearest: Brown

#6B002B is a red with RGB values 107, 0, 43 and HSL 336°, 100%, 21%. 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

#6B002B#6B002B

HEX#6B002B

RGBrgb(107, 0, 43)

RGB (0–1)0.4196, 0, 0.1686

RGB percentages42%, 0%, 16.9%

HSLhsl(335.9, 100%, 21%)

HSV / HSBhsv(335.9, 100%, 42%)

CMYK0%, 100%, 59.8%, 58%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,012,395

CSS custom property--colour: #6B002B;

Brightness & contrast

Relative luminance0.033WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.65:1

Contrast with white12.65:1WCAG normal text: AAA

Contrast with black1.66:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#94FFD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#24262Cno red cones; affects about 1% of men; ΔE 45.2 from the original

Deuteranopia#3E3A28no green cones; the most common form, about 1% of men; ΔE 46.1 from the original

Tritanopia#760016no blue cones; rare, and affects men and women equally; ΔE 18 from the original

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

Contrast with white, large text12.65:1WCAG large text: AAA

Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Brown · ΔE 29.4 Maroon · ΔE 31.9 Indian red · ΔE 35.7 Dark red · ΔE 35.9 Firebrick · ΔE 37.7 Sienna · ΔE 39.6

Nearest named CSS colourBrown (#A52A2A)ΔE 29.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006B40

Analogous#6B0061, #6B0A00

Triadic#2B6B00, #002B6B

Split complementary#006B0A, #00616B

Tetradic#616B00, #006B40, #0A006B

Tints, shades & saturation

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

Lighter +40%#FF3888

Lighter +30%#FF0569

Lighter +20%#D10054

Lighter +10%#9E003F

Darker −10%#380017

Darker −20%#050002

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6B002B

Less saturated −25%#5E0D2E

Channel breakdown

R107

B43

Red107 (42%)

Green0 (0%)

Blue43 (16.9%)

Hue335.89°

Saturation (HSL)100%

Lightness20.98%

Dominant channelRed

Hex per channelR 6B · G 00 · B 2B

Keep nerding

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#6B002B

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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