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Recognised as Colour

#3B429B

  • #3B429B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3B429B is a blue with RGB values 59, 66, 155 and HSL 236°, 45%, 42%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3B429B#3B429B
HEX#3B429B
RGBrgb(59, 66, 155)
RGB (0–1)0.2314, 0.2588, 0.6078
RGB percentages23.1%, 25.9%, 60.8%
HSLhsl(235.6, 44.9%, 42%)
HSV / HSBhsv(235.6, 61.9%, 60.8%)
CMYK61.9%, 57.4%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,883,675
CSS custom property--colour: #3B429B;

Brightness & contrast

Relative luminance0.07193WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#C4BD64

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00509Eno red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#004899no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#005768no 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 text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.7Midnight blue · ΔE 17.5Rebecca purple · ΔE 17.6Slate blue · ΔE 18.7Royal blue · ΔE 22.1Medium purple · ΔE 25.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B943B
Analogous#3B729B, #643B9B
Triadic#9B3B42, #429B3B
Split complementary#9B643B, #729B3B
Tetradic#9B3B72, #9B943B, #3B9B64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCBFE6
Lighter +30%#979CD8
Lighter +20%#7279CA
Lighter +10%#4E56BB
Darker −10%#2D3276
Darker −20%#1F2351
Darker −30%#11132C
Darker −40%#030307
More saturated +25%#202BB6
Less saturated −25%#565980

Channel breakdown

R59
G66
B155
Red59 (23.1%)
Green66 (25.9%)
Blue155 (60.8%)
Hue235.63°
Saturation (HSL)44.86%
Lightness41.96%
Dominant channelBlue
Hex per channelR 3B · G 42 · B 9B

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Every value on this page was computed from “3b429b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.