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Recognised as Colour

#A4034D

  • #A4034D
  • Red
  • Dark
  • Nearest: Medium violet red

#A4034D is a red with RGB values 164, 3, 77 and HSL 332°, 96%, 33%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Medium violet red.

Colour values

#A4034D#A4034D
HEX#A4034D
RGBrgb(164, 3, 77)
RGB (0–1)0.6431, 0.0118, 0.302
RGB percentages64.3%, 1.2%, 30.2%
HSLhsl(332.4, 96.4%, 32.7%)
HSV / HSBhsv(332.4, 98.2%, 64.3%)
CMYK0%, 98.2%, 53%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,748,749
CSS custom property--colour: #A4034D;

Brightness & contrast

Relative luminance0.08493WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.78:1
Contrast with white7.78:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#5BFCB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A404Eno red cones; affects about 1% of men; ΔE 61.2 from the original
Deuteranopia#615C4Ano green cones; the most common form, about 1% of men; ΔE 61.9 from the original
Tritanopia#B3002Cno blue cones; rare, and affects men and women equally; ΔE 25.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.78:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Medium violet red · ΔE 24.8Brown · ΔE 27.8Indian red · ΔE 29.5Pale violetred · ΔE 29.8Crimson · ΔE 32.9Firebrick · ΔE 33.3
Nearest named CSS colourMedium violet red (#C71585)ΔE 24.84, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#03A45A
Analogous#A4039E, #A40903
Triadic#4DA403, #034DA4
Split complementary#03A409, #039EA4
Tetradic#9DA403, #03A45A, #0903A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FD76B4
Lighter +30%#FC4499
Lighter +20%#FB127D
Lighter +10%#D60465
Darker −10%#720235
Darker −20%#40011E
Darker −30%#0E0006
Darker −40%#000000
More saturated +25%#A7004D
Less saturated −25%#8F184F

Channel breakdown

R164
G3
B77
Red164 (64.3%)
Green3 (1.2%)
Blue77 (30.2%)
Hue332.42°
Saturation (HSL)96.41%
Lightness32.75%
Dominant channelRed
Hex per channelR A4 · G 03 · B 4D

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Every value on this page was computed from “a4034d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.