Recognised as Colour

#820B2C

#820B2C
Red
Dark
Nearest: Brown

#820B2C is a red with RGB values 130, 11, 44 and HSL 343°, 84%, 28%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#820B2C#820B2C

HEX#820B2C

RGBrgb(130, 11, 44)

RGB (0–1)0.5098, 0.0431, 0.1725

RGB percentages51%, 4.3%, 17.3%

HSLhsl(343.4, 84.4%, 27.6%)

HSV / HSBhsv(343.4, 91.5%, 51%)

CMYK0%, 91.5%, 66.2%, 49%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,522,540

CSS custom property--colour: #820B2C;

Brightness & contrast

Relative luminance0.05167WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.33:1

Contrast with white10.33:1WCAG normal text: AAA

Contrast with black2.03:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#7DF4D3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#32312Cno red cones; affects about 1% of men; ΔE 50.6 from the original

Deuteranopia#4F4929no green cones; the most common form, about 1% of men; ΔE 51.2 from the original

Tritanopia#8F001Bno blue cones; rare, and affects men and women equally; ΔE 15.1 from the original

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

Contrast with white, large text10.33:1WCAG large text: AAA

Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Brown · ΔE 18.7 Maroon · ΔE 23.1 Dark red · ΔE 26.5 Firebrick · ΔE 26.8 Indian red · ΔE 27.3 Sienna · ΔE 32.4

Nearest named CSS colourBrown (#A52A2A)ΔE 18.72, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B8261

Analogous#820B68, #82250B

Triadic#2C820B, #0B2C82

Split complementary#0B8225, #0B6882

Tetradic#68820B, #0B8261, #250B82

Tints, shades & saturation

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

Lighter +40%#F2678D

Lighter +30%#EE386A

Lighter +20%#E0134C

Lighter +10%#B10F3C

Darker −10%#53071C

Darker −20%#24030C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8D0027

Less saturated −25%#701D34

Channel breakdown

R130

G11

B44

Red130 (51%)

Green11 (4.3%)

Blue44 (17.3%)

Hue343.36°

Saturation (HSL)84.4%

Lightness27.65%

Dominant channelRed

Hex per channelR 82 · G 0B · B 2C

Keep nerding

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

#820B2C

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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