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Colour

#3B3355

  • #3B3355
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3B3355 is a blue with RGB values 59, 51, 85 and HSL 254°, 25%, 27%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3B3355#3B3355
HEX#3B3355
RGBrgb(59, 51, 85)
RGB (0–1)0.2314, 0.2, 0.3333
RGB percentages23.1%, 20%, 33.3%
HSLhsl(254.1, 25%, 26.7%)
HSV / HSBhsv(254.1, 40%, 33.3%)
CMYK30.6%, 40%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,879,765
CSS custom property--colour: #3B3355;

Brightness & contrast

Relative luminance0.03953WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.73:1
Contrast with white11.73:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#C4CCAA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A3856no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#2B3754no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#353940no blue cones; rare, and affects men and women equally; ΔE 18.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.73:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27.6Dark slate grey · ΔE 29.6Dim grey · ΔE 31Black · ΔE 32.8Slate grey · ΔE 33.8Steel blue · ΔE 35.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D5533
Analogous#333C55, #4C3355
Triadic#553B33, #33553B
Split complementary#554C33, #3C5533
Tetradic#55333C, #4D5533, #33554C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9F95BF
Lighter +30%#8275AC
Lighter +20%#675995
Lighter +10%#514675
Darker −10%#252035
Darker −20%#0F0D15
Darker −30%#000000
Darker −40%#000000
More saturated +25%#322266
Less saturated −25%#444444

Channel breakdown

R59
G51
B85
Red59 (23.1%)
Green51 (20%)
Blue85 (33.3%)
Hue254.12°
Saturation (HSL)25%
Lightness26.67%
Dominant channelBlue
Hex per channelR 3B · G 33 · B 55

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Every value on this page was computed from “3b3355” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.