Colour

#A61841

#A61841
Red
Dark
Nearest: Brown

#A61841 is a red with RGB values 166, 24, 65 and HSL 343°, 75%, 37%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A61841#A61841

HEX#A61841

RGBrgb(166, 24, 65)

RGB (0–1)0.651, 0.0941, 0.2549

RGB percentages65.1%, 9.4%, 25.5%

HSLhsl(342.7, 74.7%, 37.3%)

HSV / HSBhsv(342.7, 85.5%, 65.1%)

CMYK0%, 85.5%, 60.8%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,885,185

CSS custom property--colour: #A61841;

Brightness & contrast

Relative luminance0.09142WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.42:1

Contrast with white7.42:1WCAG normal text: AAA

Contrast with black2.83:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#59E7BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#434342no red cones; affects about 1% of men; ΔE 58.9 from the original

Deuteranopia#675F3Dno green cones; the most common form, about 1% of men; ΔE 59.3 from the original

Tritanopia#B6002Bno blue cones; rare, and affects men and women equally; ΔE 18.2 from the original

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

Contrast with white, large text7.42:1WCAG large text: AAA

Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Brown · ΔE 17.4 Indian red · ΔE 22.1 Firebrick · ΔE 23.3 Crimson · ΔE 26.2 Maroon · ΔE 27.2 Dark red · ΔE 28.5

Nearest named CSS colourBrown (#A52A2A)ΔE 17.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18A67D

Analogous#A61888, #A63618

Triadic#41A618, #1841A6

Split complementary#18A636, #1888A6

Tetradic#88A618, #18A67D, #3618A6

Tints, shades & saturation

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

Lighter +40%#F09AB3

Lighter +30%#EA6D91

Lighter +20%#E34170

Lighter +10%#D31E52

Darker −10%#791230

Darker −20%#4D0B1E

Darker −30%#20050D

Darker −40%#000000

More saturated +25%#BE0037

Less saturated −25%#8E304B

Channel breakdown

R166

G24

B65

Red166 (65.1%)

Green24 (9.4%)

Blue65 (25.5%)

Hue342.68°

Saturation (HSL)74.74%

Lightness37.25%

Dominant channelRed

Hex per channelR A6 · G 18 · B 41

Keep nerding

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

#A61841

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

Nerdulate something else