Colour

#73040C

#73040C
Red
Dark
Nearest: Maroon

#73040C is a red with RGB values 115, 4, 12 and HSL 356°, 93%, 23%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#73040C#73040C

HEX#73040C

RGBrgb(115, 4, 12)

RGB (0–1)0.451, 0.0157, 0.0471

RGB percentages45.1%, 1.6%, 4.7%

HSLhsl(355.7, 93.3%, 23.3%)

HSV / HSBhsv(355.7, 96.5%, 45.1%)

CMYK0%, 96.5%, 89.6%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,537,676

CSS custom property--colour: #73040C;

Brightness & contrast

Relative luminance0.03758WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.99:1

Contrast with white11.99:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#8CFBF3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D280Ano red cones; affects about 1% of men; ΔE 47.8 from the original

Deuteranopia#473F05no green cones; the most common form, about 1% of men; ΔE 47.6 from the original

Tritanopia#800009no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original

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

Contrast with white, large text11.99:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Maroon · ΔE 9.9 Dark red · ΔE 14.8 Brown · ΔE 15.8 Firebrick · ΔE 21.8 Saddle brown · ΔE 25.5 Sienna · ΔE 26.2

Nearest named CSS colourMaroon (#800000)ΔE 9.92, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04736B

Analogous#730444, #733404

Triadic#0C7304, #040C73

Split complementary#047333, #044473

Tetradic#437304, #04736B, #330473

Tints, shades & saturation

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

Lighter +40%#F94A57

Lighter +30%#F71929

Lighter +20%#D60716

Lighter +10%#A40611

Darker −10%#420207

Darker −20%#100102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#770009

Less saturated −25%#641319

Channel breakdown

R115

B12

Red115 (45.1%)

Green4 (1.6%)

Blue12 (4.7%)

Hue355.68°

Saturation (HSL)93.28%

Lightness23.33%

Dominant channelRed

Hex per channelR 73 · G 04 · B 0C

Keep nerding

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#73040C

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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