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Recognised as Colour

#FF055B

  • #FF055B
  • Red
  • Dark
  • Nearest: Crimson

#FF055B is a red with RGB values 255, 5, 91 and HSL 339°, 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

#FF055B#FF055B
HEX#FF055B
RGBrgb(255, 5, 91)
RGB (0–1)1, 0.0196, 0.3569
RGB percentages100%, 2%, 35.7%
HSLhsl(339.4, 100%, 51%)
HSV / HSBhsv(339.4, 98%, 100%)
CMYK0%, 98%, 64.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,713,051
CSS custom property--colour: #FF055B;

Brightness & contrast

Relative luminance0.22124WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.42:1
Contrast with white3.87:1WCAG normal text: Fail
Contrast with black5.42:1WCAG normal text: AA
Greyscale equivalent#404040
Inverted#00FAA4

Colour vision & accessibility

Protanopia#66635Cno red cones; affects about 1% of men; ΔE 85.7 from the original
Deuteranopia#9F9254no green cones; the most common form, about 1% of men; ΔE 86.7 from the original
Tritanopia#FF0037no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.87:1WCAG large text: AA
Contrast with black, large text5.42:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 15.5, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#05FFA9
Analogous#FF05D8, #FF2C05
Triadic#5BFF05, #055BFF
Split complementary#05FF2C, #05D8FF
Tetradic#D8FF05, #05FFA9, #2C05FF

Tints, shades & saturation

Lighter +40%#FFD1E1
Lighter +30%#FF9EBF
Lighter +20%#FF6B9E
Lighter +10%#FF387C
Darker −10%#D10048
Darker −20%#9E0036
Darker −30%#6B0025
Darker −40%#380013
More saturated +25%#FF055B
Less saturated −25%#E02465

Channel breakdown

R255
G5
B91
Red255 (100%)
Green5 (2%)
Blue91 (35.7%)
Hue339.36°
Saturation (HSL)100%
Lightness50.98%
Dominant channelRed
Hex per channelR FF · G 05 · B 5B

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Every value on this page was computed from “ff055b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.