Colour

#A12739

#A12739
Red
Dark
Nearest: Brown

#A12739 is a red with RGB values 161, 39, 57 and HSL 351°, 61%, 39%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A12739#A12739

HEX#A12739

RGBrgb(161, 39, 57)

RGB (0–1)0.6314, 0.1529, 0.2235

RGB percentages63.1%, 15.3%, 22.4%

HSLhsl(351.1, 61%, 39.2%)

HSV / HSBhsv(351.1, 75.8%, 63.1%)

CMYK0%, 75.8%, 64.6%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,561,337

CSS custom property--colour: #A12739;

Brightness & contrast

Relative luminance0.09324WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.33:1

Contrast with white7.33:1WCAG normal text: AAA

Contrast with black2.86:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#5ED8C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#494639no red cones; affects about 1% of men; ΔE 53.3 from the original

Deuteranopia#685F36no green cones; the most common form, about 1% of men; ΔE 53.3 from the original

Tritanopia#B1002Fno blue cones; rare, and affects men and women equally; ΔE 13.9 from the original

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

Contrast with white, large text7.33:1WCAG large text: AAA

Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Brown · ΔE 10.6 Indian red · ΔE 17.8 Firebrick · ΔE 18.7 Maroon · ΔE 21.3 Dark red · ΔE 23 Crimson · ΔE 26.9

Nearest named CSS colourBrown (#A52A2A)ΔE 10.65, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27A18F

Analogous#A12776, #A15227

Triadic#39A127, #2739A1

Split complementary#27A152, #2776A1

Tetradic#76A127, #27A18F, #5227A1

Tints, shades & saturation

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

Lighter +40%#EAAAB3

Lighter +30%#E0818F

Lighter +20%#D6586A

Lighter +10%#CA3148

Darker −10%#781D2A

Darker −20%#4F131C

Darker −30%#26090D

Darker −40%#000000

More saturated +25%#BA0E27

Less saturated −25%#88404B

Channel breakdown

R161

G39

B57

Red161 (63.1%)

Green39 (15.3%)

Blue57 (22.4%)

Hue351.15°

Saturation (HSL)61%

Lightness39.22%

Dominant channelRed

Hex per channelR A1 · G 27 · B 39

Keep nerding

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

#A12739

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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