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Recognised as Colour

#3F4469

  • #3F4469
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3F4469 is a blue with RGB values 63, 68, 105 and HSL 233°, 25%, 33%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F4469#3F4469
HEX#3F4469
RGBrgb(63, 68, 105)
RGB (0–1)0.2471, 0.2667, 0.4118
RGB percentages24.7%, 26.7%, 41.2%
HSLhsl(232.9, 25%, 32.9%)
HSV / HSBhsv(232.9, 40%, 41.2%)
CMYK40%, 35.2%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,146,281
CSS custom property--colour: #3F4469;

Brightness & contrast

Relative luminance0.06211WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.37:1
Contrast with white9.37:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#C0BB96

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#38486Bno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#354568no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#334B51no blue cones; rare, and affects men and women equally; ΔE 22.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.37:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.7Dark slate grey · ΔE 27.2Steel blue · ΔE 27.5Slate grey · ΔE 27.7Dim grey · ΔE 27.8Light slate grey · ΔE 30.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#69643F
Analogous#3F5969, #4F3F69
Triadic#693F44, #44693F
Split complementary#694F3F, #59693F
Tetradic#693F59, #69643F, #3F694F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9ADCB
Lighter +30%#898EB8
Lighter +20%#6970A5
Lighter +10%#525989
Darker −10%#2C2F49
Darker −20%#191B29
Darker −30%#060609
Darker −40%#000000
More saturated +25%#2A347E
Less saturated −25%#545454

Channel breakdown

R63
G68
B105
Red63 (24.7%)
Green68 (26.7%)
Blue105 (41.2%)
Hue232.86°
Saturation (HSL)25%
Lightness32.94%
Dominant channelBlue
Hex per channelR 3F · G 44 · B 69

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Every value on this page was computed from “3f4469” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.