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Recognised as Colour

#A1284B

  • #A1284B
  • Red
  • Dark
  • Nearest: Brown

#A1284B is a red with RGB values 161, 40, 75 and HSL 343°, 60%, 39%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A1284B#A1284B
HEX#A1284B
RGBrgb(161, 40, 75)
RGB (0–1)0.6314, 0.1569, 0.2941
RGB percentages63.1%, 15.7%, 29.4%
HSLhsl(342.6, 60.2%, 39.4%)
HSV / HSBhsv(342.6, 75.2%, 63.1%)
CMYK0%, 75.2%, 53.4%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,561,611
CSS custom property--colour: #A1284B;

Brightness & contrast

Relative luminance0.09603WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.19:1
Contrast with white7.19:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#5ED7B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#47484Cno red cones; affects about 1% of men; ΔE 52.5 from the original
Deuteranopia#666048no green cones; the most common form, about 1% of men; ΔE 53.5 from the original
Tritanopia#B00737no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.19:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Brown · ΔE 21.5Indian red · ΔE 21.8Pale violetred · ΔE 25.7Firebrick · ΔE 29Maroon · ΔE 31.3Light coral · ΔE 32
Nearest named CSS colourBrown (#A52A2A)ΔE 21.46, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#28A17E
Analogous#A12887, #A14128
Triadic#4BA128, #284BA1
Split complementary#28A141, #2887A1
Tetradic#88A128, #28A17E, #4228A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAABBD
Lighter +30%#E0829D
Lighter +20%#D6597D
Lighter +10%#CA325E
Darker −10%#781E38
Darker −20%#4F1425
Darker −30%#260A12
Darker −40%#000000
More saturated +25%#BA0F40
Less saturated −25%#884156

Channel breakdown

R161
G40
B75
Red161 (63.1%)
Green40 (15.7%)
Blue75 (29.4%)
Hue342.64°
Saturation (HSL)60.2%
Lightness39.41%
Dominant channelRed
Hex per channelR A1 · G 28 · B 4B

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Every value on this page was computed from “a1284b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.