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Colour

#3968B4

  • #3968B4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3968B4 is a blue with RGB values 57, 104, 180 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

#3968B4#3968B4
HEX#3968B4
RGBrgb(57, 104, 180)
RGB (0–1)0.2235, 0.4078, 0.7059
RGB percentages22.4%, 40.8%, 70.6%
HSLhsl(217.1, 51.9%, 46.5%)
HSV / HSBhsv(217.1, 68.3%, 70.6%)
CMYK68.3%, 42.2%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,762,356
CSS custom property--colour: #3968B4;

Brightness & contrast

Relative luminance0.14066WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.51:1
Contrast with white5.51:1WCAG normal text: AA
Contrast with black3.81:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#C6974B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#446FB7no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#3064B2no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#007A85no blue cones; rare, and affects men and women equally; ΔE 45.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.51:1WCAG large text: AAA
Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.1Steel blue · ΔE 20.4Dark slateblue · ΔE 21.6Dodgerblue · ΔE 23.7Royal blue · ΔE 26.5Slate blue · ΔE 29.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B48539
Analogous#39A5B4, #4839B4
Triadic#B43968, #68B439
Split complementary#B44839, #A5B439
Tetradic#B439A5, #B48539, #39B448

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD8EE
Lighter +30%#A4BCE2
Lighter +20%#7D9FD6
Lighter +10%#5682CA
Darker −10%#2D528D
Darker −20%#203B67
Darker −30%#142540
Darker −40%#080E19
More saturated +25%#1B61D2
Less saturated −25%#576F96

Channel breakdown

R57
G104
B180
Red57 (22.4%)
Green104 (40.8%)
Blue180 (70.6%)
Hue217.07°
Saturation (HSL)51.9%
Lightness46.47%
Dominant channelBlue
Hex per channelR 39 · G 68 · B B4

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Every value on this page was computed from “3968b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.