Recognised as Colour

#820D18

#820D18
Red
Dark
Nearest: Maroon

#820D18 is a red with RGB values 130, 13, 24 and HSL 354°, 82%, 28%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#820D18#820D18

HEX#820D18

RGBrgb(130, 13, 24)

RGB (0–1)0.5098, 0.051, 0.0941

RGB percentages51%, 5.1%, 9.4%

HSLhsl(354.4, 81.8%, 28%)

HSV / HSBhsv(354.4, 90%, 51%)

CMYK0%, 90%, 81.5%, 49%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,523,032

CSS custom property--colour: #820D18;

Brightness & contrast

Relative luminance0.051WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.4:1

Contrast with white10.4:1WCAG normal text: AAA

Contrast with black2.02:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#7DF2E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#363017no red cones; affects about 1% of men; ΔE 50 from the original

Deuteranopia#524813no green cones; the most common form, about 1% of men; ΔE 49.7 from the original

Tritanopia#900013no blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text10.4:1WCAG large text: AAA

Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Maroon · ΔE 10.3 Brown · ΔE 11.2 Dark red · ΔE 14.1 Firebrick · ΔE 18 Sienna · ΔE 25.4 Saddle brown · ΔE 26.3

Nearest named CSS colourMaroon (#800000)ΔE 10.34, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0D8277

Analogous#820D52, #823D0D

Triadic#18820D, #0D1882

Split complementary#0D823C, #0D5382

Tetradic#52820D, #0D8277, #3D0D82

Tints, shades & saturation

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

Lighter +40%#F06B77

Lighter +30%#EC3C4D

Lighter +20%#DF1629

Lighter +10%#B01221

Darker −10%#54080F

Darker −20%#250407

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8F000D

Less saturated −25%#701F27

Channel breakdown

R130

G13

B24

Red130 (51%)

Green13 (5.1%)

Blue24 (9.4%)

Hue354.36°

Saturation (HSL)81.82%

Lightness28.04%

Dominant channelRed

Hex per channelR 82 · G 0D · B 18

Keep nerding

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

#820D18

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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