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Recognised as Colour

#3967DA

  • #3967DA
  • Blue
  • Dark
  • Nearest: Royal blue

#3967DA is a blue with RGB values 57, 103, 218 and HSL 223°, 69%, 54%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3967DA#3967DA
HEX#3967DA
RGBrgb(57, 103, 218)
RGB (0–1)0.2235, 0.4039, 0.8549
RGB percentages22.4%, 40.4%, 85.5%
HSLhsl(222.9, 68.5%, 53.9%)
HSV / HSBhsv(222.9, 73.9%, 85.5%)
CMYK73.9%, 52.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,762,138
CSS custom property--colour: #3967DA;

Brightness & contrast

Relative luminance0.15632WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#C69825

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1076DEno red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#0067D8no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#008396no blue cones; rare, and affects men and women equally; ΔE 64.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Royal blue · ΔE 3.2Slate blue · ΔE 13.4Medium slateblue · ΔE 18.1Dodgerblue · ΔE 19Medium purple · ΔE 20.4Cornflower blue · ΔE 25.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 3.19, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAAC39
Analogous#39B7DA, #5C39DA
Triadic#DA3967, #67DA39
Split complementary#DA5C39, #B7DA39
Tetradic#DA39B7, #DAAC39, #39DA5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5EBFA
Lighter +30%#BACAF2
Lighter +20%#8FA9EA
Lighter +10%#6488E2
Darker −10%#234FBD
Darker −20%#1B3D92
Darker −30%#132B67
Darker −40%#0B193C
More saturated +25%#1C5AF7
Less saturated −25%#5674BD

Channel breakdown

R57
G103
B218
Red57 (22.4%)
Green103 (40.4%)
Blue218 (85.5%)
Hue222.86°
Saturation (HSL)68.51%
Lightness53.92%
Dominant channelBlue
Hex per channelR 39 · G 67 · B DA

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Every value on this page was computed from “3967da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.