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Recognised as Colour

#3A3685

  • #3A3685
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A3685 is a blue with RGB values 58, 54, 133 and HSL 243°, 42%, 37%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A3685#3A3685
HEX#3A3685
RGBrgb(58, 54, 133)
RGB (0–1)0.2275, 0.2118, 0.5216
RGB percentages22.7%, 21.2%, 52.2%
HSLhsl(243, 42.2%, 36.7%)
HSV / HSBhsv(243, 59.4%, 52.2%)
CMYK56.4%, 59.4%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,815,045
CSS custom property--colour: #3A3685;

Brightness & contrast

Relative luminance0.05231WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.26:1
Contrast with white10.26:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#C5C97A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004488no red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#003E83no green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#174858no blue cones; rare, and affects men and women equally; ΔE 46.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.26:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 4Midnight blue · ΔE 14.2Rebecca purple · ΔE 18.5Slate blue · ΔE 25Indigo · ΔE 28.6Royal blue · ΔE 29.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 3.97, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#818536
Analogous#365985, #623685
Triadic#853A36, #36853A
Split complementary#856236, #598536
Tetradic#853659, #818536, #368562

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADAADD
Lighter +30%#8A86CE
Lighter +20%#6762BF
Lighter +10%#4A45A9
Darker −10%#2A2761
Darker −20%#1A193C
Darker −30%#0B0A18
Darker −40%#000000
More saturated +25%#251F9C
Less saturated −25%#4F4D6E

Channel breakdown

R58
G54
B133
Red58 (22.7%)
Green54 (21.2%)
Blue133 (52.2%)
Hue243.04°
Saturation (HSL)42.25%
Lightness36.67%
Dominant channelBlue
Hex per channelR 3A · G 36 · B 85

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Every value on this page was computed from “3a3685” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.