Colour

#1F0006

#1F0006
Red
Dark
Nearest: Black

#1F0006 is a red with RGB values 31, 0, 6 and HSL 348°, 100%, 6%. It is a dark colour, so white text on it reaches 19.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F0006#1F0006

HEX#1F0006

RGBrgb(31, 0, 6)

RGB (0–1)0.1216, 0, 0.0235

RGB percentages12.2%, 0%, 2.4%

HSLhsl(348.4, 100%, 6.1%)

HSV / HSBhsv(348.4, 100%, 12.2%)

CMYK0%, 100%, 80.6%, 87.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,031,622

CSS custom property--colour: #1F0006;

Brightness & contrast

Relative luminance0.00304WCAG 2.x, 0 is black and 1 is white

Perceived brightness17.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.79:1

Contrast with white19.79:1WCAG normal text: AAA

Contrast with black1.06:1WCAG normal text: Fail

Greyscale equivalent#070707

Inverted#E0FFF9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#060606no red cones; affects about 1% of men; ΔE 12.8 from the original

Deuteranopia#0F0D05no green cones; the most common form, about 1% of men; ΔE 13.2 from the original

Tritanopia#230002no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.79:1WCAG large text: AAA

Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Black · ΔE 13.1 Dark slate grey · ΔE 37.9 Dim grey · ΔE 43.6 Gray · ΔE 52.4 Slate grey · ΔE 53.7 Dark slateblue · ΔE 53.9

Nearest named CSS colourBlack (#000000)ΔE 13.07, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#001F19

Analogous#1F0015, #1F0900

Triadic#061F00, #00061F

Split complementary#001F09, #00161F

Tetradic#161F00, #001F19, #0A001F

Tints, shades & saturation

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

Lighter +40%#EB002D

Lighter +30%#B80024

Lighter +20%#85001A

Lighter +10%#520010

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F0006

Less saturated −25%#1B0408

Channel breakdown

R31

Red31 (12.2%)

Green0 (0%)

Blue6 (2.4%)

Hue348.39°

Saturation (HSL)100%

Lightness6.08%

Dominant channelRed

Hex per channelR 1F · G 00 · B 06

Keep nerding

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#1F0006

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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