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Recognised as Colour

#FF034B

  • #FF034B
  • Red
  • Dark
  • Nearest: Crimson

#FF034B is a red with RGB values 255, 3, 75 and HSL 343°, 100%, 51%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF034B#FF034B
HEX#FF034B
RGBrgb(255, 3, 75)
RGB (0–1)1, 0.0118, 0.2941
RGB percentages100%, 1.2%, 29.4%
HSLhsl(342.9, 100%, 50.6%)
HSV / HSBhsv(342.9, 98.8%, 100%)
CMYK0%, 98.8%, 70.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,712,523
CSS custom property--colour: #FF034B;

Brightness & contrast

Relative luminance0.21833WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.37:1
Contrast with white3.91:1WCAG normal text: Fail
Contrast with black5.37:1WCAG normal text: AA
Greyscale equivalent#3E3E3E
Inverted#00FCB4

Colour vision & accessibility

Protanopia#68624Bno red cones; affects about 1% of men; ΔE 86.5 from the original
Deuteranopia#A09143no green cones; the most common form, about 1% of men; ΔE 86.5 from the original
Tritanopia#FF002Dno blue cones; rare, and affects men and women equally; ΔE 16.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.91:1WCAG large text: AA
Contrast with black, large text5.37:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 12.52, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#03FFB7
Analogous#FF03C9, #FF3903
Triadic#4BFF03, #034BFF
Split complementary#03FF39, #03C9FF
Tetradic#C9FF03, #03FFB7, #3903FF

Tints, shades & saturation

Lighter +40%#FFCFDD
Lighter +30%#FF9CB8
Lighter +20%#FF6994
Lighter +10%#FF366F
Darker −10%#CF003B
Darker −20%#9C002D
Darker −30%#69001E
Darker −40%#36000F
More saturated +25%#FF034B
Less saturated −25%#E02258

Channel breakdown

R255
G3
B75
Red255 (100%)
Green3 (1.2%)
Blue75 (29.4%)
Hue342.86°
Saturation (HSL)100%
Lightness50.59%
Dominant channelRed
Hex per channelR FF · G 03 · B 4B

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Every value on this page was computed from “ff034b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.