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Recognised as Colour

#3865B4

  • #3865B4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3865B4 is a blue with RGB values 56, 101, 180 and HSL 218°, 53%, 46%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3865B4#3865B4
HEX#3865B4
RGBrgb(56, 101, 180)
RGB (0–1)0.2196, 0.3961, 0.7059
RGB percentages22%, 39.6%, 70.6%
HSLhsl(218.2, 52.5%, 46.3%)
HSV / HSBhsv(218.2, 68.9%, 70.6%)
CMYK68.9%, 43.9%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,696,052
CSS custom property--colour: #3865B4;

Brightness & contrast

Relative luminance0.13443WCAG 2.x, 0 is black and 1 is white
Perceived brightness103 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.69:1
Contrast with white5.69:1WCAG normal text: AA
Contrast with black3.69:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#C79A4B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F6DB7no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#2961B2no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#007784no blue cones; rare, and affects men and women equally; ΔE 46.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.69:1WCAG large text: AAA
Contrast with black, large text3.69:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.8Dark slateblue · ΔE 20Steel blue · ΔE 22.8Dodgerblue · ΔE 23.2Royal blue · ΔE 24.5Slate blue · ΔE 27.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B48738
Analogous#38A3B4, #4938B4
Triadic#B43865, #65B438
Split complementary#B44938, #A3B438
Tetradic#B438A3, #B48738, #38B449

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAD7EE
Lighter +30%#A3BAE2
Lighter +20%#7C9DD6
Lighter +10%#557FCA
Darker −10%#2C4F8D
Darker −20%#203966
Darker −30%#14243F
Darker −40%#080E18
More saturated +25%#1B5DD2
Less saturated −25%#556D96

Channel breakdown

R56
G101
B180
Red56 (22%)
Green101 (39.6%)
Blue180 (70.6%)
Hue218.23°
Saturation (HSL)52.54%
Lightness46.27%
Dominant channelBlue
Hex per channelR 38 · G 65 · B B4

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Every value on this page was computed from “3865b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.