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Colour

#4020DF

  • #4020DF
  • Blue
  • Dark
  • Nearest: Medium blue

#4020DF is a blue with RGB values 64, 32, 223 and HSL 250°, 75%, 50%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#4020DF#4020DF
HEX#4020DF
RGBrgb(64, 32, 223)
RGB (0–1)0.251, 0.1255, 0.8745
RGB percentages25.1%, 12.5%, 87.5%
HSLhsl(250.1, 74.9%, 50%)
HSV / HSBhsv(250.1, 85.7%, 87.5%)
CMYK71.3%, 85.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,202,719
CSS custom property--colour: #4020DF;

Brightness & contrast

Relative luminance0.07451WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.43:1
Contrast with white8.43:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#BFDF20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055E4no red cones; affects about 1% of men; ΔE 32.8 from the original
Deuteranopia#0045DCno green cones; the most common form, about 1% of men; ΔE 24.2 from the original
Tritanopia#006185no blue cones; rare, and affects men and women equally; ΔE 98 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.43:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.5Blue violet · ΔE 17.5Dark violet · ΔE 22.5Blue · ΔE 23.6Dark orchid · ΔE 30.6Dark blue · ΔE 30.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.49, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFDF20
Analogous#2060DF, #A020DF
Triadic#DF4020, #20DF40
Split complementary#DF9F20, #60DF20
Tetradic#DF205F, #BFDF20, #20DF9F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9D2F9
Lighter +30%#B3A6F2
Lighter +20%#8C79EC
Lighter +10%#664DE5
Darker −10%#331AB2
Darker −20%#261386
Darker −30%#1A0D59
Darker −40%#0D062D
More saturated +25%#2B00FF
Less saturated −25%#5540BF

Channel breakdown

R64
G32
B223
Red64 (25.1%)
Green32 (12.5%)
Blue223 (87.5%)
Hue250.05°
Saturation (HSL)74.9%
Lightness50%
Dominant channelBlue
Hex per channelR 40 · G 20 · B DF

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Every value on this page was computed from “4020df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.