Nerdulator> put something in

Recognised as Colour

#4072DF

  • #4072DF
  • Blue
  • Dark
  • Nearest: Royal blue

#4072DF is a blue with RGB values 64, 114, 223 and HSL 221°, 71%, 56%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4072DF#4072DF
HEX#4072DF
RGBrgb(64, 114, 223)
RGB (0–1)0.251, 0.4471, 0.8745
RGB percentages25.1%, 44.7%, 87.5%
HSLhsl(221.1, 71.3%, 56.3%)
HSV / HSBhsv(221.1, 71.3%, 87.5%)
CMYK71.3%, 48.9%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,223,711
CSS custom property--colour: #4072DF;

Brightness & contrast

Relative luminance0.18452WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.69:1
Contrast with white4.48:1WCAG normal text: Fail
Contrast with black4.69:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#BF8D20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#347FE3no red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#0070DDno green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#008C9Eno blue cones; rare, and affects men and women equally; ΔE 61.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.48:1WCAG large text: AA
Contrast with black, large text4.69:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.3Dodgerblue · ΔE 13.8Slate blue · ΔE 17.2Cornflower blue · ΔE 19.4Medium purple · ΔE 20.6Medium slateblue · ΔE 22
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFAD40
Analogous#40C1DF, #5E40DF
Triadic#DF4072, #72DF40
Split complementary#DF5E40, #C1DF40
Tetradic#DF40C1, #DFAD40, #40DF5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF3FC
Lighter +30%#C3D3F5
Lighter +20%#97B2EE
Lighter +10%#6C92E6
Darker −10%#2257CA
Darker −20%#1B449E
Darker −30%#133173
Darker −40%#0C1F47
More saturated +25%#2468FB
Less saturated −25%#5C7CC3

Channel breakdown

R64
G114
B223
Red64 (25.1%)
Green114 (44.7%)
Blue223 (87.5%)
Hue221.13°
Saturation (HSL)71.3%
Lightness56.27%
Dominant channelBlue
Hex per channelR 40 · G 72 · B DF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “4072df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.