Recognised as Colour

#A61529

#A61529
Red
Dark
Nearest: Brown

#A61529 is a red with RGB values 166, 21, 41 and HSL 352°, 78%, 37%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A61529#A61529

HEX#A61529

RGBrgb(166, 21, 41)

RGB (0–1)0.651, 0.0824, 0.1608

RGB percentages65.1%, 8.2%, 16.1%

HSLhsl(351.7, 77.5%, 36.7%)

HSV / HSBhsv(351.7, 87.3%, 65.1%)

CMYK0%, 87.3%, 75.3%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,884,393

CSS custom property--colour: #A61529;

Brightness & contrast

Relative luminance0.08803WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.61:1

Contrast with white7.61:1WCAG normal text: AAA

Contrast with black2.76:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#59EAD6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#464028no red cones; affects about 1% of men; ΔE 59.7 from the original

Deuteranopia#695E24no green cones; the most common form, about 1% of men; ΔE 59.6 from the original

Tritanopia#B7001Fno blue cones; rare, and affects men and women equally; ΔE 12.3 from the original

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

Contrast with white, large text7.61:1WCAG large text: AAA

Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Brown · ΔE 6.7 Firebrick · ΔE 9.3 Dark red · ΔE 15.2 Maroon · ΔE 15.6 Crimson · ΔE 19.4 Indian red · ΔE 22.1

Nearest named CSS colourBrown (#A52A2A)ΔE 6.66, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15A692

Analogous#A61572, #A64A15

Triadic#29A615, #1529A6

Split complementary#15A649, #1572A6

Tetradic#72A615, #15A692, #4915A6

Tints, shades & saturation

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

Lighter +40%#F295A2

Lighter +30%#EC687A

Lighter +20%#E63B52

Lighter +10%#D31B34

Darker −10%#790F1E

Darker −20%#4B0A13

Darker −30%#1E0407

Darker −40%#000000

More saturated +25%#BB001A

Less saturated −25%#8F2C3A

Channel breakdown

R166

G21

B41

Red166 (65.1%)

Green21 (8.2%)

Blue41 (16.1%)

Hue351.72°

Saturation (HSL)77.54%

Lightness36.67%

Dominant channelRed

Hex per channelR A6 · G 15 · B 29

Keep nerding

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

#A61529

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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