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Recognised as Colour

#F3004A

  • #F3004A
  • Red
  • Dark
  • Nearest: Crimson

#F3004A is a red with RGB values 243, 0, 74 and HSL 342°, 100%, 48%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F3004A#F3004A
HEX#F3004A
RGBrgb(243, 0, 74)
RGB (0–1)0.9529, 0, 0.2902
RGB percentages95.3%, 0%, 29%
HSLhsl(341.7, 100%, 47.6%)
HSV / HSBhsv(341.7, 100%, 95.3%)
CMYK0%, 100%, 69.5%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,925,322
CSS custom property--colour: #F3004A;

Brightness & contrast

Relative luminance0.19549WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.91:1
Contrast with white4.28:1WCAG normal text: Fail
Contrast with black4.91:1WCAG normal text: AA
Greyscale equivalent#393939
Inverted#0CFFB5

Colour vision & accessibility

Protanopia#625D4Ano red cones; affects about 1% of men; ΔE 83.5 from the original
Deuteranopia#988A43no green cones; the most common form, about 1% of men; ΔE 83.6 from the original
Tritanopia#FF002Cno 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 text4.28:1WCAG large text: AA
Contrast with black, large text4.91:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 9.2, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00F3A9
Analogous#F300C4, #F33000
Triadic#4AF300, #004AF3
Split complementary#00F330, #00C3F3
Tetradic#C3F300, #00F3A9, #2F00F3

Tints, shades & saturation

Lighter +40%#FFC0D3
Lighter +30%#FF8DB0
Lighter +20%#FF5A8C
Lighter +10%#FF2769
Darker −10%#C0003A
Darker −20%#8D002B
Darker −30%#5A001B
Darker −40%#27000C
More saturated +25%#F3004A
Less saturated −25%#D51E56

Channel breakdown

R243
G0
B74
Red243 (95.3%)
Green0 (0%)
Blue74 (29%)
Hue341.73°
Saturation (HSL)100%
Lightness47.65%
Dominant channelRed
Hex per channelR F3 · G 00 · B 4A

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Every value on this page was computed from “f3004a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.