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Colour

#A12151

  • #A12151
  • Red
  • Dark
  • Nearest: Pale violetred

#A12151 is a red with RGB values 161, 33, 81 and HSL 338°, 66%, 38%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.

Colour values

#A12151#A12151
HEX#A12151
RGBrgb(161, 33, 81)
RGB (0–1)0.6314, 0.1294, 0.3176
RGB percentages63.1%, 12.9%, 31.8%
HSLhsl(337.5, 66%, 38%)
HSV / HSBhsv(337.5, 79.5%, 63.1%)
CMYK0%, 79.5%, 49.7%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,559,825
CSS custom property--colour: #A12151;

Brightness & contrast

Relative luminance0.09259WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.36:1
Contrast with white7.36:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#5EDEAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#414652no red cones; affects about 1% of men; ΔE 54.9 from the original
Deuteranopia#635F4Eno green cones; the most common form, about 1% of men; ΔE 56 from the original
Tritanopia#B00036no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.36:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Pale violetred · ΔE 25.8Indian red · ΔE 26.2Brown · ΔE 26.5Medium violet red · ΔE 27.2Firebrick · ΔE 33.4Hot pink · ΔE 34.2
Nearest named CSS colourPale violetred (#DB7093)ΔE 25.84, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#21A171
Analogous#A12191, #A13121
Triadic#51A121, #2151A1
Split complementary#21A131, #2191A1
Tetradic#91A121, #21A171, #3121A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECA2BE
Lighter +30%#E378A0
Lighter +20%#DB4D82
Lighter +10%#CB2A66
Darker −10%#77183C
Darker −20%#4C1026
Darker −30%#220711
Darker −40%#000000
More saturated +25%#B9094B
Less saturated −25%#893957

Channel breakdown

R161
G33
B81
Red161 (63.1%)
Green33 (12.9%)
Blue81 (31.8%)
Hue337.5°
Saturation (HSL)65.98%
Lightness38.04%
Dominant channelRed
Hex per channelR A1 · G 21 · B 51

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Every value on this page was computed from “a12151” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.