Recognised as Colour

#378BF8

#378BF8
Blue
Dark
Nearest: Dodgerblue

#378BF8 is a blue with RGB values 55, 139, 248 and HSL 214°, 93%, 59%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#378BF8#378BF8

HEX#378BF8

RGBrgb(55, 139, 248)

RGB (0–1)0.2157, 0.5451, 0.9725

RGB percentages21.6%, 54.5%, 97.3%

HSLhsl(213.9, 93.2%, 59.4%)

HSV / HSBhsv(213.9, 77.8%, 97.3%)

CMYK77.8%, 44%, 0%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,640,312

CSS custom property--colour: #378BF8;

Brightness & contrast

Relative luminance0.26055WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.21:1

Contrast with white3.38:1WCAG normal text: Fail

Contrast with black6.21:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#C87407

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5295FCno red cones; affects about 1% of men; ΔE 5.7 from the original

Deuteranopia#2983F6no green cones; the most common form, about 1% of men; ΔE 5 from the original

Tritanopia#00A5B5no blue cones; rare, and affects men and women equally; ΔE 60.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.38:1WCAG large text: AA

Contrast with black, large text6.21:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 3.3 Cornflower blue · ΔE 13.2 Royal blue · ΔE 17.7 Slate blue · ΔE 27.2 Medium purple · ΔE 27.2 Medium slateblue · ΔE 29.6

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 3.26, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F8A437

Analogous#37EBF8, #4437F8

Triadic#F8378B, #8BF837

Split complementary#F84437, #EBF837

Tetradic#F837EB, #F8A437, #37F844

Tints, shades & saturation

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

Lighter +40%#FCFDFF

Lighter +30%#CBE1FD

Lighter +20%#9AC4FB

Lighter +10%#68A8FA

Darker −10%#096FF3

Darker −20%#0758C2

Darker −30%#054291

Darker −40%#032C60

More saturated +25%#308AFF

Less saturated −25%#518EDE

Channel breakdown

R55

G139

B248

Red55 (21.6%)

Green139 (54.5%)

Blue248 (97.3%)

Hue213.89°

Saturation (HSL)93.24%

Lightness59.41%

Dominant channelBlue

Hex per channelR 37 · G 8B · B F8

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#378BF8

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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