Nerdulator> put something in

Colour

#2F439C

  • #2F439C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F439C is a blue with RGB values 47, 67, 156 and HSL 229°, 54%, 40%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F439C#2F439C
HEX#2F439C
RGBrgb(47, 67, 156)
RGB (0–1)0.1843, 0.2627, 0.6118
RGB percentages18.4%, 26.3%, 61.2%
HSLhsl(229, 53.7%, 39.8%)
HSV / HSBhsv(229, 69.9%, 61.2%)
CMYK69.9%, 57.1%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,097,500
CSS custom property--colour: #2F439C;

Brightness & contrast

Relative luminance0.07019WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.74:1
Contrast with white8.74:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#D0BC63

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00509Fno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#00469Ano green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#005969no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.74:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.4Midnight blue · ΔE 18.2Slate blue · ΔE 19.9Rebecca purple · ΔE 20.1Royal blue · ΔE 21.7Medium purple · ΔE 26.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.35, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C882F
Analogous#2F7A9C, #522F9C
Triadic#9C2F43, #439C2F
Split complementary#9C522F, #799C2F
Tetradic#9C2F7A, #9C882F, #2F9C52

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0BAE7
Lighter +30%#8998DB
Lighter +20%#6176D0
Lighter +10%#3B54C3
Darker −10%#233275
Darker −20%#17214E
Darker −30%#0C1126
Darker −40%#000000
More saturated +25%#1633B5
Less saturated −25%#485383

Channel breakdown

R47
G67
B156
Red47 (18.4%)
Green67 (26.3%)
Blue156 (61.2%)
Hue228.99°
Saturation (HSL)53.69%
Lightness39.8%
Dominant channelBlue
Hex per channelR 2F · G 43 · B 9C

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 “2f439c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.