Colour

#A1122D

#A1122D
Red
Dark
Nearest: Brown

#A1122D is a red with RGB values 161, 18, 45 and HSL 349°, 80%, 35%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A1122D#A1122D

HEX#A1122D

RGBrgb(161, 18, 45)

RGB (0–1)0.6314, 0.0706, 0.1765

RGB percentages63.1%, 7.1%, 17.6%

HSLhsl(348.7, 79.9%, 35.1%)

HSV / HSBhsv(348.7, 88.8%, 63.1%)

CMYK0%, 88.8%, 72%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,555,949

CSS custom property--colour: #A1122D;

Brightness & contrast

Relative luminance0.08199WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.96:1

Contrast with white7.96:1WCAG normal text: AAA

Contrast with black2.64:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#5EEDD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#423E2Dno red cones; affects about 1% of men; ΔE 59 from the original

Deuteranopia#655B28no green cones; the most common form, about 1% of men; ΔE 58.9 from the original

Tritanopia#B1001Fno 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 text7.96:1WCAG large text: AAA

Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Brown · ΔE 8.6 Firebrick · ΔE 13.7 Maroon · ΔE 17.5 Dark red · ΔE 18.1 Indian red · ΔE 21.9 Crimson · ΔE 21.9

Nearest named CSS colourBrown (#A52A2A)ΔE 8.59, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12A186

Analogous#A11275, #A13F12

Triadic#2DA112, #122DA1

Split complementary#12A13F, #1275A1

Tetradic#74A112, #12A186, #3E12A1

Tints, shades & saturation

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

Lighter +40%#F28DA0

Lighter +30%#ED5F7A

Lighter +20%#E83154

Lighter +10%#CF173A

Darker −10%#730D20

Darker −20%#450813

Darker −30%#170307

Darker −40%#000000

More saturated +25%#B30022

Less saturated −25%#8B283B

Channel breakdown

R161

G18

B45

Red161 (63.1%)

Green18 (7.1%)

Blue45 (17.6%)

Hue348.67°

Saturation (HSL)79.89%

Lightness35.1%

Dominant channelRed

Hex per channelR A1 · G 12 · B 2D

Keep nerding

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

#A1122D

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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