Colour

#2B0909

#2B0909
Red
Dark
Nearest: Black

#2B0909 is a red with RGB values 43, 9, 9 and HSL 0°, 65%, 10%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2B0909#2B0909

HEX#2B0909

RGBrgb(43, 9, 9)

RGB (0–1)0.1686, 0.0353, 0.0353

RGB percentages16.9%, 3.5%, 3.5%

HSLhsl(0, 65.4%, 10.2%)

HSV / HSBhsv(0, 79.1%, 16.9%)

CMYK0%, 79.1%, 79.1%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,820,361

CSS custom property--colour: #2B0909;

Brightness & contrast

Relative luminance0.00729WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.33:1

Contrast with white18.33:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#D4F6F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#121009no red cones; affects about 1% of men; ΔE 18 from the original

Deuteranopia#1A1708no green cones; the most common form, about 1% of men; ΔE 18.6 from the original

Tritanopia#300309no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.33:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 19.6 Dark slate grey · ΔE 39.4 Dim grey · ΔE 42.1 Saddle brown · ΔE 47.2 Maroon · ΔE 48 Sienna · ΔE 48.8

Nearest named CSS colourBlack (#000000)ΔE 19.55, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#092B2B

Analogous#2B091A, #2B1A09

Triadic#092B09, #09092B

Split complementary#092B1A, #091A2B

Tetradic#1A2B09, #092B2B, #1A092B

Tints, shades & saturation

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

Lighter +40%#D32D2D

Lighter +30%#AA2323

Lighter +20%#7F1B1B

Lighter +10%#551212

Darker −10%#010000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#320202

Less saturated −25%#250F0F

Channel breakdown

R43

Red43 (16.9%)

Green9 (3.5%)

Blue9 (3.5%)

Hue0°

Saturation (HSL)65.38%

Lightness10.2%

Dominant channelRed

Hex per channelR 2B · G 09 · B 09

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#2B0909

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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