Colour

#840F3A

#840F3A
Red
Dark
Nearest: Brown

#840F3A is a red with RGB values 132, 15, 58 and HSL 338°, 80%, 29%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#840F3A#840F3A

HEX#840F3A

RGBrgb(132, 15, 58)

RGB (0–1)0.5176, 0.0588, 0.2275

RGB percentages51.8%, 5.9%, 22.7%

HSLhsl(337.9, 79.6%, 28.8%)

HSV / HSBhsv(337.9, 88.6%, 51.8%)

CMYK0%, 88.6%, 56.1%, 48.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,654,650

CSS custom property--colour: #840F3A;

Brightness & contrast

Relative luminance0.05553WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.95:1

Contrast with white9.95:1WCAG normal text: AAA

Contrast with black2.11:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#7BF0C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#32343Bno red cones; affects about 1% of men; ΔE 49.7 from the original

Deuteranopia#504B37no green cones; the most common form, about 1% of men; ΔE 50.8 from the original

Tritanopia#910024no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text9.95:1WCAG large text: AAA

Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Brown · ΔE 25.3 Indian red · ΔE 29.6 Maroon · ΔE 31.1 Pale violetred · ΔE 33.1 Firebrick · ΔE 33.3 Dark red · ΔE 34.3

Nearest named CSS colourBrown (#A52A2A)ΔE 25.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F8459

Analogous#840F74, #841F0F

Triadic#3A840F, #0F3A84

Split complementary#0F841F, #0F7484

Tetradic#74840F, #0F8459, #1F0F84

Tints, shades & saturation

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

Lighter +40%#EF709F

Lighter +30%#EA4280

Lighter +20%#E01962

Lighter +10%#B2144E

Darker −10%#560A26

Darker −20%#280512

Darker −30%#000000

Darker −40%#000000

More saturated +25%#930036

Less saturated −25%#72213F

Channel breakdown

R132

G15

B58

Red132 (51.8%)

Green15 (5.9%)

Blue58 (22.7%)

Hue337.95°

Saturation (HSL)79.59%

Lightness28.82%

Dominant channelRed

Hex per channelR 84 · G 0F · B 3A

Keep nerding

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

#840F3A

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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