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Colour

#3B4256

  • #3B4256
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3B4256 is a blue with RGB values 59, 66, 86 and HSL 224°, 19%, 28%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3B4256#3B4256
HEX#3B4256
RGBrgb(59, 66, 86)
RGB (0–1)0.2314, 0.2588, 0.3373
RGB percentages23.1%, 25.9%, 33.7%
HSLhsl(224.4, 18.6%, 28.4%)
HSV / HSBhsv(224.4, 31.4%, 33.7%)
CMYK31.4%, 23.3%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,883,606
CSS custom property--colour: #3B4256;

Brightness & contrast

Relative luminance0.05498WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10:1
Contrast with white10:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#C4BDA9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C4457no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#3A4156no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#344649no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2Dim grey · ΔE 20.9Slate grey · ΔE 25.3Light slate grey · ΔE 28.3Gray · ΔE 28.7Black · ΔE 31
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#564F3B
Analogous#3B5056, #423B56
Triadic#563B42, #42563B
Split complementary#56423B, #50563B
Tetradic#563B4F, #564F3B, #3B5642

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0A7BD
Lighter +30%#818BA9
Lighter +20%#657092
Lighter +10%#505974
Darker −10%#262B38
Darker −20%#11141A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#293968
Less saturated −25%#494949

Channel breakdown

R59
G66
B86
Red59 (23.1%)
Green66 (25.9%)
Blue86 (33.7%)
Hue224.44°
Saturation (HSL)18.62%
Lightness28.43%
Dominant channelBlue
Hex per channelR 3B · G 42 · B 56

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Every value on this page was computed from “3b4256” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.