Colour

#A11F39

#A11F39
Red
Dark
Nearest: Brown

#A11F39 is a red with RGB values 161, 31, 57 and HSL 348°, 68%, 38%. 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

#A11F39#A11F39

HEX#A11F39

RGBrgb(161, 31, 57)

RGB (0–1)0.6314, 0.1216, 0.2235

RGB percentages63.1%, 12.2%, 22.4%

HSLhsl(348, 67.7%, 37.6%)

HSV / HSBhsv(348, 80.7%, 63.1%)

CMYK0%, 80.7%, 64.6%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,559,289

CSS custom property--colour: #A11F39;

Brightness & contrast

Relative luminance0.08852WCAG 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 7.58:1

Contrast with white7.58:1WCAG normal text: AAA

Contrast with black2.77:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#5EE0C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#454339no red cones; affects about 1% of men; ΔE 55.9 from the original

Deuteranopia#665E35no green cones; the most common form, about 1% of men; ΔE 56.4 from the original

Tritanopia#B1002Ano blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

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

Contrast with white, large text7.58:1WCAG large text: AAA

Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Brown · ΔE 12.3 Firebrick · ΔE 19.4 Indian red · ΔE 19.7 Maroon · ΔE 22.3 Dark red · ΔE 23.8 Crimson · ΔE 26

Nearest named CSS colourBrown (#A52A2A)ΔE 12.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FA187

Analogous#A11F7A, #A1461F

Triadic#39A11F, #1F39A1

Split complementary#1FA146, #1F7AA1

Tetradic#7AA11F, #1FA187, #461FA1

Tints, shades & saturation

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

Lighter +40%#ED9FAF

Lighter +30%#E4758B

Lighter +20%#DC4A67

Lighter +10%#CC2748

Darker −10%#76172A

Darker −20%#4B0F1B

Darker −30%#21060C

Darker −40%#000000

More saturated +25%#B9072B

Less saturated −25%#893747

Channel breakdown

R161

G31

B57

Red161 (63.1%)

Green31 (12.2%)

Blue57 (22.4%)

Hue348°

Saturation (HSL)67.71%

Lightness37.65%

Dominant channelRed

Hex per channelR A1 · G 1F · B 39

Keep nerding

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

#A11F39

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