Colour

#1B0708

#1B0708
Red
Dark
Nearest: Black

#1B0708 is a red with RGB values 27, 7, 8 and HSL 357°, 59%, 7%. It is a dark colour, so white text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B0708#1B0708

HEX#1B0708

RGBrgb(27, 7, 8)

RGB (0–1)0.1059, 0.0275, 0.0314

RGB percentages10.6%, 2.7%, 3.1%

HSLhsl(357, 58.8%, 6.7%)

HSV / HSBhsv(357, 74.1%, 10.6%)

CMYK0%, 74.1%, 70.4%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,771,272

CSS custom property--colour: #1B0708;

Brightness & contrast

Relative luminance0.00403WCAG 2.x, 0 is black and 1 is white

Perceived brightness15.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.44:1

Contrast with white19.44:1WCAG normal text: AAA

Contrast with black1.08:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#E4F8F7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0B0A08no red cones; affects about 1% of men; ΔE 7.9 from the original

Deuteranopia#100F08no green cones; the most common form, about 1% of men; ΔE 8.5 from the original

Tritanopia#1E0507no blue cones; rare, and affects men and women equally; ΔE 2.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.44:1WCAG large text: AAA

Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 8.9 Dark slate grey · ΔE 34.3 Dim grey · ΔE 41.6 Gray · ΔE 50.6 Slate grey · ΔE 51.8 Saddle brown · ΔE 54.7

Nearest named CSS colourBlack (#000000)ΔE 8.87, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#071B1A

Analogous#1B0712, #1B1007

Triadic#081B07, #07081B

Split complementary#071B10, #07121B

Tetradic#121B07, #071B1A, #10071B

Tints, shades & saturation

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

Lighter +40%#BD3138

Lighter +30%#95262C

Lighter +20%#6C1C20

Lighter +10%#441114

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F0304

Less saturated −25%#170B0C

Channel breakdown

R27

Red27 (10.6%)

Green7 (2.7%)

Blue8 (3.1%)

Hue357°

Saturation (HSL)58.82%

Lightness6.67%

Dominant channelRed

Hex per channelR 1B · G 07 · B 08

Keep nerding

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#1B0708

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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