Nerdulator> put something in

Recognised as Colour

#0040DE

  • #0040DE
  • Blue
  • Dark
  • Nearest: Medium blue

#0040DE is a blue with RGB values 0, 64, 222 and HSL 223°, 100%, 44%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0040DE#0040DE
HEX#0040DE
RGBrgb(0, 64, 222)
RGB (0–1)0, 0.251, 0.8706
RGB percentages0%, 25.1%, 87.1%
HSLhsl(222.7, 100%, 43.5%)
HSV / HSBhsv(222.7, 100%, 87.1%)
CMYK100%, 71.2%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,606
CSS custom property--colour: #0040DE;

Brightness & contrast

Relative luminance0.08941WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.53:1
Contrast with white7.53:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FFBF21

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005EE3no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#004ADBno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#006E8Bno blue cones; rare, and affects men and women equally; ΔE 86.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.53:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Medium blue · ΔE 24.6Medium slateblue · ΔE 24.8Blue violet · ΔE 25.4Dark blue · ΔE 25.9Slate blue · ΔE 29.2Navy · ΔE 29.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 24.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE9E00
Analogous#00AFDE, #2F00DE
Triadic#DE0040, #40DE00
Split complementary#DE2F00, #AFDE00
Tetradic#DE00AF, #DE9E00, #00DE2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABC3FF
Lighter +30%#789FFF
Lighter +20%#457BFF
Lighter +10%#1256FF
Darker −10%#0031AB
Darker −20%#002378
Darker −30%#001445
Darker −40%#000512
More saturated +25%#0040DE
Less saturated −25%#1C4CC2

Channel breakdown

R0
G64
B222
Red0 (0%)
Green64 (25.1%)
Blue222 (87.1%)
Hue222.7°
Saturation (HSL)100%
Lightness43.53%
Dominant channelBlue
Hex per channelR 00 · G 40 · B DE

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 “0040de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.