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Recognised as Colour

#FF21F0

  • #FF21F0
  • Magenta
  • Dark
  • Nearest: Fuchsia

#FF21F0 is a magenta with RGB values 255, 33, 240 and HSL 304°, 100%, 56%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Fuchsia.

Colour values

#FF21F0#FF21F0
HEX#FF21F0
RGBrgb(255, 33, 240)
RGB (0–1)1, 0.1294, 0.9412
RGB percentages100%, 12.9%, 94.1%
HSLhsl(304.1, 100%, 56.5%)
HSV / HSBhsv(304.1, 87.1%, 100%)
CMYK0%, 87.1%, 5.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,720,368
CSS custom property--colour: #FF21F0;

Brightness & contrast

Relative luminance0.28639WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.73:1
Contrast with white3.12:1WCAG normal text: Fail
Contrast with black6.73:1WCAG normal text: AA
Greyscale equivalent#5F5F5F
Inverted#00DE0F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FF5no red cones; affects about 1% of men; ΔE 79.4 from the original
Deuteranopia#769CEBno green cones; the most common form, about 1% of men; ΔE 85.4 from the original
Tritanopia#FF4890no blue cones; rare, and affects men and women equally; ΔE 57.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.12:1WCAG large text: AA
Contrast with black, large text6.73:1WCAG large text: AAA

Named colours

Fuchsia · ΔE 9.9Magenta · ΔE 9.9Dark violet · ΔE 32.4Dark orchid · ΔE 33.9Medium orchid · ΔE 35.3Blue violet · ΔE 37.3
Nearest named CSS colourFuchsia (#FF00FF)ΔE 9.88, clearly different but related
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#21FF30
Analogous#9F21FF, #FF2181
Triadic#F0FF21, #21F0FF
Split complementary#81FF21, #21FF9F
Tetradic#FF9F21, #21FF30, #2181FF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFEDFE
Lighter +30%#FFBAFA
Lighter +20%#FF87F7
Lighter +10%#FF54F3
Darker −10%#ED00DD
Darker −20%#BA00AD
Darker −30%#87007E
Darker −40%#54004E
More saturated +25%#FF21F0
Less saturated −25%#E33DD8

Channel breakdown

R255
G33
B240
Red255 (100%)
Green33 (12.9%)
Blue240 (94.1%)
Hue304.05°
Saturation (HSL)100%
Lightness56.47%
Dominant channelRed
Hex per channelR FF · G 21 · B F0

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Every value on this page was computed from “ff21f0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.