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Recognised as Colour

#3D69B1

  • #3D69B1
  • Blue
  • Dark
  • Nearest: Steel blue

#3D69B1 is a blue with RGB values 61, 105, 177 and HSL 217°, 49%, 47%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3D69B1#3D69B1
HEX#3D69B1
RGBrgb(61, 105, 177)
RGB (0–1)0.2392, 0.4118, 0.6941
RGB percentages23.9%, 41.2%, 69.4%
HSLhsl(217.2, 48.7%, 46.7%)
HSV / HSBhsv(217.2, 65.5%, 69.4%)
CMYK65.5%, 40.7%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,024,753
CSS custom property--colour: #3D69B1;

Brightness & contrast

Relative luminance0.1427WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.45:1
Contrast with white5.45:1WCAG normal text: AA
Contrast with black3.85:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#C2964E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#496FB4no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#3765B0no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#007984no blue cones; rare, and affects men and women equally; ΔE 43.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.45:1WCAG large text: AAA
Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.2Cornflower blue · ΔE 18.5Dark slateblue · ΔE 22.4Dodgerblue · ΔE 25.3Royal blue · ΔE 28.8Medium purple · ΔE 31.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B1853D
Analogous#3DA3B1, #4B3DB1
Triadic#B13D69, #69B13D
Split complementary#B14B3D, #A3B13D
Tetradic#B13DA3, #B1853D, #3DB14B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCD9EE
Lighter +30%#A6BCE0
Lighter +20%#81A0D3
Lighter +10%#5B83C6
Darker −10%#30528B
Darker −20%#233C65
Darker −30%#16253F
Darker −40%#090F19
More saturated +25%#1F62CF
Less saturated −25%#5B7093

Channel breakdown

R61
G105
B177
Red61 (23.9%)
Green105 (41.2%)
Blue177 (69.4%)
Hue217.24°
Saturation (HSL)48.74%
Lightness46.67%
Dominant channelBlue
Hex per channelR 3D · G 69 · B B1

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Every value on this page was computed from “3d69b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.