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Recognised as Colour

#204DDF

  • #204DDF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#204DDF is a blue with RGB values 32, 77, 223 and HSL 226°, 75%, 50%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#204DDF#204DDF
HEX#204DDF
RGBrgb(32, 77, 223)
RGB (0–1)0.1255, 0.302, 0.8745
RGB percentages12.5%, 30.2%, 87.5%
HSLhsl(225.9, 74.9%, 50%)
HSV / HSBhsv(225.9, 85.7%, 87.5%)
CMYK85.7%, 65.5%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,117,087
CSS custom property--colour: #204DDF;

Brightness & contrast

Relative luminance0.10943WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.59:1
Contrast with white6.59:1WCAG normal text: AA
Contrast with black3.19:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#DFB220

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066E4no red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#0054DCno green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#00758Fno blue cones; rare, and affects men and women equally; ΔE 80.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.59:1WCAG large text: AAA
Contrast with black, large text3.19:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.8Royal blue · ΔE 20.5Slate blue · ΔE 21.3Dark blue · ΔE 28.3Blue violet · ΔE 30Navy · ΔE 30.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFB220
Analogous#20ACDF, #5320DF
Triadic#DF204D, #4DDF20
Split complementary#DF5320, #ACDF20
Tetradic#DF20AC, #DFB220, #20DF53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2DBF9
Lighter +30%#A6B8F2
Lighter +20%#7994EC
Lighter +10%#4D71E5
Darker −10%#1A3EB2
Darker −20%#132E86
Darker −30%#0D1F59
Darker −40%#060F2D
More saturated +25%#003CFF
Less saturated −25%#405EBF

Channel breakdown

R32
G77
B223
Red32 (12.5%)
Green77 (30.2%)
Blue223 (87.5%)
Hue225.86°
Saturation (HSL)74.9%
Lightness50%
Dominant channelBlue
Hex per channelR 20 · G 4D · B DF

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Every value on this page was computed from “204ddf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.