Colour

#3967B4

#3967B4
Blue
Dark
Nearest: Cornflower blue

#3967B4 is a blue with RGB values 57, 103, 180 and HSL 218°, 52%, 46%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3967B4#3967B4

HEX#3967B4

RGBrgb(57, 103, 180)

RGB (0–1)0.2235, 0.4039, 0.7059

RGB percentages22.4%, 40.4%, 70.6%

HSLhsl(217.6, 51.9%, 46.5%)

HSV / HSBhsv(217.6, 68.3%, 70.6%)

CMYK68.3%, 42.8%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,762,100

CSS custom property--colour: #3967B4;

Brightness & contrast

Relative luminance0.13866WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.57:1

Contrast with white5.57:1WCAG normal text: AA

Contrast with black3.77:1WCAG normal text: Fail

Greyscale equivalent#636363

Inverted#C6984B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#436EB7no red cones; affects about 1% of men; ΔE 3.9 from the original

Deuteranopia#2E63B2no green cones; the most common form, about 1% of men; ΔE 2.3 from the original

Tritanopia#007985no blue cones; rare, and affects men and women equally; ΔE 45.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.57:1WCAG large text: AAA

Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.3 Dark slateblue · ΔE 21 Steel blue · ΔE 21.2 Dodgerblue · ΔE 23.5 Royal blue · ΔE 25.8 Slate blue · ΔE 28.8

Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#B48639

Analogous#39A5B4, #4839B4

Triadic#B43967, #67B439

Split complementary#B44839, #A4B439

Tetradic#B439A5, #B48639, #39B448

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CBD8EE

Lighter +30%#A4BBE2

Lighter +20%#7D9ED6

Lighter +10%#5681CA

Darker −10%#2D518D

Darker −20%#203B67

Darker −30%#142540

Darker −40%#080E19

More saturated +25%#1B60D2

Less saturated −25%#576E96

Channel breakdown

R57

G103

B180

Red57 (22.4%)

Green103 (40.4%)

Blue180 (70.6%)

Hue217.56°

Saturation (HSL)51.9%

Lightness46.47%

Dominant channelBlue

Hex per channelR 39 · G 67 · B B4

Keep nerding

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#3967B4

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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