Nerdulator> put something in

Recognised as Colour

#39406F

  • #39406F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#39406F is a blue with RGB values 57, 64, 111 and HSL 232°, 32%, 33%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#39406F#39406F
HEX#39406F
RGBrgb(57, 64, 111)
RGB (0–1)0.2235, 0.251, 0.4353
RGB percentages22.4%, 25.1%, 43.5%
HSLhsl(232.2, 32.1%, 32.9%)
HSV / HSBhsv(232.2, 48.6%, 43.5%)
CMYK48.6%, 42.3%, 0%, 56.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,752,047
CSS custom property--colour: #39406F;

Brightness & contrast

Relative luminance0.05684WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.83:1
Contrast with white9.83:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#C6BF90

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E4671no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#2A416Eno green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#264A52no blue cones; rare, and affects men and women equally; ΔE 29 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.83:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.6Steel blue · ΔE 28.5Midnight blue · ΔE 32.3Slate grey · ΔE 32.7Dark slate grey · ΔE 33.5Dim grey · ΔE 34.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6F6839
Analogous#395B6F, #4D396F
Triadic#6F3940, #406F39
Split complementary#6F4D39, #5B6F39
Tetradic#6F395B, #6F6839, #396F4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4AAD0
Lighter +30%#828ABF
Lighter +20%#606AAE
Lighter +10%#4A5391
Darker −10%#282D4D
Darker −20%#16192C
Darker −30%#05060A
Darker −40%#000000
More saturated +25%#243084
Less saturated −25%#4E505A

Channel breakdown

R57
G64
B111
Red57 (22.4%)
Green64 (25.1%)
Blue111 (43.5%)
Hue232.22°
Saturation (HSL)32.14%
Lightness32.94%
Dominant channelBlue
Hex per channelR 39 · G 40 · B 6F

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 “39406f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.