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Recognised as Colour

#3868B3

  • #3868B3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3868B3 is a blue with RGB values 56, 104, 179 and HSL 217°, 52%, 46%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3868B3#3868B3
HEX#3868B3
RGBrgb(56, 104, 179)
RGB (0–1)0.2196, 0.4078, 0.702
RGB percentages22%, 40.8%, 70.2%
HSLhsl(216.6, 52.3%, 46.1%)
HSV / HSBhsv(216.6, 68.7%, 70.2%)
CMYK68.7%, 41.9%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,696,819
CSS custom property--colour: #3868B3;

Brightness & contrast

Relative luminance0.13996WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.53:1
Contrast with white5.53:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#C7974C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#456FB6no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#3163B1no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#007985no blue cones; rare, and affects men and women equally; ΔE 44.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.53:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.3Steel blue · ΔE 19.8Dark slateblue · ΔE 21.9Dodgerblue · ΔE 24.1Royal blue · ΔE 27.2Slate blue · ΔE 30.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B38338
Analogous#38A5B3, #4638B3
Triadic#B33868, #68B338
Split complementary#B34638, #A5B338
Tetradic#B338A5, #B38338, #38B346

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9D7EE
Lighter +30%#A2BBE2
Lighter +20%#7B9FD6
Lighter +10%#5482CA
Darker −10%#2C518C
Darker −20%#203B65
Darker −30%#14243E
Darker −40%#070E18
More saturated +25%#1B62D0
Less saturated −25%#556E96

Channel breakdown

R56
G104
B179
Red56 (22%)
Green104 (40.8%)
Blue179 (70.2%)
Hue216.59°
Saturation (HSL)52.34%
Lightness46.08%
Dominant channelBlue
Hex per channelR 38 · G 68 · B B3

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Every value on this page was computed from “3868b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.